{"id":3512,"date":"2026-06-06T15:10:39","date_gmt":"2026-06-06T15:10:39","guid":{"rendered":"https:\/\/powdercoatlinekt.com\/?page_id=3512"},"modified":"2026-07-31T21:56:41","modified_gmt":"2026-07-31T21:56:41","slug":"building-materials-powder-coating-line","status":"publish","type":"page","link":"https:\/\/www.powdercoatlinekt.com\/de\/building-materials-powder-coating-line\/","title":{"rendered":"Building Materials Powder Coating Line"},"content":{"rendered":"<section class=\"product-gallery-intro\" id=\"overview\">\n  <div class=\"product-gallery-layout\">\n    <div class=\"product-gallery-left\">\n      <div class=\"main-product-image\">\n        <a href=\"\/powder-coating-line\/\"><img decoding=\"async\" id=\"buildingMainImage\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" alt=\"Building materials powder coating line for aluminum profile coating and architectural coating main view\" loading=\"eager\"><\/a>\n      <\/div>\n\n      <div class=\"thumbnail-gallery-wrap\">\n        <button class=\"gallery-arrow\" type=\"button\" aria-label=\"Previous image\" id=\"buildingPrev\">\u2039<\/button>\n\n        <div class=\"thumbnail-gallery\" aria-label=\"Building materials powder coating line image thumbnails\">\n          <button class=\"thumb-btn active\" type=\"button\">\n            <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Building-Materials.png\" data-large=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" alt=\"Complete building materials electrostatic powder coating production line\">\n          <\/button>\n          <button class=\"thumb-btn\" type=\"button\">\n            <a href=\"\/pretreatment-system-for-powder-coating\/\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/04\/building-materials.webp\" data-large=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" alt=\"Lighting accessories spray pretreatment and powder coating line\"><\/a>\n          <\/button>\n          <button class=\"thumb-btn\" type=\"button\">\n            <a href=\"\/steel-structure-powder-coating-line\/\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/04\/building-materials-industry-2.webp\" data-large=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png alt=\"Prefabricated house steel structure walk-in powder spraying room\"><\/a>\n          <\/button>\n          <button class=\"thumb-btn\" type=\"button\">\n            <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" data-large=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" alt=\"Aluminum ceiling PP large cyclone automatic powder coating line\">\n          <\/button>\n          <button class=\"thumb-btn\" type=\"button\">\n            <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" data-large=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" alt=\"Finished architectural coating samples aluminum profiles ceilings and steel building materials\">\n          <\/button>\n        <\/div>\n\n        <button class=\"gallery-arrow\" type=\"button\" aria-label=\"Next image\" id=\"buildingNext\">\u203a<\/button>\n      <\/div>\n    <\/div>\n\n    <div class=\"product-info-panel\">\n      <div>\n        <h1>Building Materials <a href=\"\/powder-coating-line\/\" style=\"font-weight:bold;color:#7c3aed;text-decoration:underline;\">Powder Coating Line<\/a><\/h1>\n\n          KETU Building Materials Powder Coating Line is designed for building materials coating, aluminum profile coating, and architectural coating applications. It is suitable for lighting accessories, prefabricated house steel structures, aluminum ceilings, aluminum profiles, curtain rods, slide rails, steel components, architectural frames, and decorative building materials.\n\n        <h3>Core system advantages:<\/h3>\n\n        <ul class=\"product-info-list\">\n          <li>Supports high-volume architectural coating production for lighting accessories, aluminum ceilings, and standardized building components.<\/li>\n          <li>Multiple pretreatment options include spray-type pretreatment, sandblasting pretreatment, and manual polishing for different substrates.<\/li>\n          <li>Spray rooms can be configured as backpack powder room, bottom exhaust room, PP large cyclone automatic room, or walk-in powder spraying room.<\/li>\n          <li>Natural gas curing, high-power circulation fan, variable temperature control, and PLC touch-screen control support stable production.<\/li>\n          <li>Reference production lines cover lighting accessories, prefabricated house steel structures, and aluminum ceilings with output up to 1 million pieces per month.<\/li>\n        <\/ul>\n\n        <div class=\"product-cta-row\">\n          <a href=\"#kt-contact-popup\" onclick=\"setSource('Building Materials Gallery Intro - Request Solution')\" class=\"btn-primary\">Request Building Materials Coating Solution<\/a>\n          <a href=\"#reference\" class=\"btn-secondary\">View Reference Lines<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"metric-strip\">\n  <div class=\"metric-grid\">\n    <div class=\"metric-item\">\n      <strong>1M<\/strong>\n      <span>pieces\/month reference capacity for aluminum ceiling coating production<\/span>\n    <\/div>\n    <div class=\"metric-item\">\n      <strong>300,000<\/strong>\n      <span>pieces\/month reference output for lighting accessory coating<\/span>\n    <\/div>\n    <div class=\"metric-item\">\n      <strong>200 Tons<\/strong>\n      <span>raw materials\/month reference output for prefabricated house steel structures<\/span>\n    <\/div>\n    <div class=\"metric-item\">\n      <strong>Eco-Friendly<\/strong>\n      <span>powder coating technology for sustainable architectural coating<\/span>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding application-tabs\" id=\"applications\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Building Materials Coating Applications<\/div>\n      <h2>Powder Coating Solutions for Architectural and Industrial Building Materials<\/h2>\n      Building materials need durable appearance, corrosion resistance, UV resistance, stable color, and scalable production. Click each application to see the recommended coating focus.\n    <\/div>\n\n    <div class=\"tabs-box\">\n      <div class=\"tab-buttons\" role=\"tablist\" aria-label=\"Building materials application tabs\">\n        <button class=\"tab-btn active\" type=\"button\" data-tab=\"tab-lighting\">Lighting<\/button>\n        <button class=\"tab-btn\" type=\"button\" data-tab=\"tab-prefab\">Prefabricated House<\/button>\n        <button class=\"tab-btn\" type=\"button\" data-tab=\"tab-ceiling\">Aluminum Ceiling<\/button>\n        <button class=\"tab-btn\" type=\"button\" data-tab=\"tab-profile\">Aluminum Profiles<\/button>\n      <\/div>\n\n      <div class=\"tab-panel active\" id=\"tab-lighting\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/image-2025-12-25-223904.png\" alt=\"Lighting accessories building materials powder coating application\" loading=\"lazy\">\n        <div>\n          <h3>Lighting Accessories Coating<\/h3>\n          Lighting accessories need clean appearance, stable color, corrosion resistance, and efficient mass production. Spray pretreatment and powder coating help improve surface quality and production speed.\n          <ul class=\"check-list\">\n            <li>Reference output: about 300,000 pieces\/month.<\/li>\n            <li>Spray-type pretreatment cleans workpieces efficiently and helps save energy.<\/li>\n            <li>Backpack powder spraying room + bottom exhaust powder spraying room supports flexible production.<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n\n      <div class=\"tab-panel\" id=\"tab-prefab\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/pppowder-booth2-jpg.webp\" alt=\"Prefabricated house steel structure powder coating line\" loading=\"lazy\">\n        <div>\n          <h3>Prefabricated House Steel Structure Coating<\/h3>\n          Prefabricated house steel structures require strong corrosion resistance, high coating adhesion, and durable architectural coating for structural building material use.\n          <ul class=\"check-list\">\n            <li>Reference passing size: 8 \u00d7 2.5 \u00d7 2.5 m.<\/li>\n            <li>Sandblasting pretreatment improves adhesion on steel structures.<\/li>\n            <li>Walk-in powder spraying room fits large architectural steel components.<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n\n      <div class=\"tab-panel\" id=\"tab-ceiling\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/large-cyclone3-jpg.webp\" alt=\"Aluminum ceiling architectural coating and PP large cyclone automatic spray room\" loading=\"lazy\">\n        <div>\n          <h3>Aluminum Ceiling Coating<\/h3>\n          Aluminum ceilings require consistent color, smooth finish, good film adhesion, and high-speed production. PP large cyclone automatic spray rooms are suitable for large-scale ceiling production.\n          <ul class=\"check-list\">\n            <li>Reference output: about 1 million pieces\/month.<\/li>\n            <li>Two line layouts can be designed: bridge-type assembly line and horizontal assembly line.<\/li>\n            <li>PP large cyclone automatic spray room improves recovery and production stability.<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n\n      <div class=\"tab-panel\" id=\"tab-profile\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/image-2025-12-25-234139.png\" alt=\"Aluminum profile coating for architectural profiles curtain rods and slide rails\" loading=\"lazy\">\n        <div>\n          <h3>Aluminum Profiles, Curtain Rods, and Slide Rails<\/h3>\n          Aluminum profile coating and architectural coating require smooth appearance, consistent film thickness, weather resistance, and stable curing for long architectural parts.\n          <ul class=\"check-list\">\n            <li>Suitable for aluminum profiles, curtain rods, slide rails, and architectural frames.<\/li>\n            <li>Conveyor and hanging fixtures can be customized for long profiles.<\/li>\n            <li>Powder selection supports indoor and outdoor building material use.<\/li>\n          <\/ul>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding challenge-section\" id=\"challenges\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Pain Points and Solutions<\/div>\n      <h2>Building Materials Coating Challenges Solved by KETU Technology<\/h2>\n      Building materials coating requires stable appearance, long-term durability, scalable output, and different pretreatment methods for aluminum, steel, and mixed architectural products.\n    <\/div>\n\n    <div class=\"zigzag-row\">\n      <div class=\"zigzag-img\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/image-2025-12-25-231640.png\" alt=\"Architectural coating durability challenge for outdoor building materials\" loading=\"lazy\">\n      <\/div>\n      <div class=\"zigzag-text\">\n        <h3>Outdoor Durability and Corrosion Resistance<\/h3>\n        <strong>Challenge:<\/strong> Building materials may face sunlight, humidity, dust, rain, temperature changes, and long service cycles. Poor pretreatment or under-cured coating can cause corrosion, peeling, or color fading.\n        <strong>KETU Solution:<\/strong> Proper pretreatment, powder selection, coating thickness control, and stable natural gas curing help improve adhesion, corrosion resistance, and architectural coating durability.\n        <ul class=\"check-list\">\n          <li>Spray pretreatment for efficient cleaning and production speed.<\/li>\n          <li>Sandblasting pretreatment for steel structures with stronger adhesion needs.<\/li>\n          <li>Variable temperature curing supports different powders and substrates.<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n\n    <div class=\"zigzag-row reverse\">\n      <div class=\"zigzag-text\">\n        <h3>High-Volume Aluminum Ceiling Production<\/h3>\n        <strong>Challenge:<\/strong> Aluminum ceiling manufacturers often need very high output, stable color, clean visible surfaces, and efficient powder recovery.\n        <strong>KETU Solution:<\/strong> PP large cyclone automatic spray room, PLC touch-screen control, high-power circulation fan, and customized bridge-type or horizontal line layouts support high-volume aluminum ceiling coating.\n        <ul class=\"check-list\">\n          <li>Reference output up to 1 million pieces\/month.<\/li>\n          <li>Automatic powder room supports repeatable coating quality.<\/li>\n          <li>Bridge-type or horizontal assembly lines can match factory layout.<\/li>\n        <\/ul>\n      <\/div>\n      <div class=\"zigzag-img\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/image-2025-12-25-230401.png\" alt=\"High volume aluminum ceiling powder coating production line\" loading=\"lazy\">\n      <\/div>\n    <\/div>\n\n    <div class=\"zigzag-row\">\n      <div class=\"zigzag-img\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/image-2025-12-25-234243.png\" alt=\"Large prefabricated house steel structure coating challenge\" loading=\"lazy\">\n      <\/div>\n      <div class=\"zigzag-text\">\n        <h3>Large Steel Structures Need Special Passing Size<\/h3>\n        <strong>Challenge:<\/strong> Prefabricated house steel structures are large and heavy. Standard small booths or ovens may not provide enough clearance, operator access, or curing capacity.\n        <strong>KETU Solution:<\/strong> Walk-in powder spraying room, large curing furnace, customized hanging fixtures, and strong hot air circulation can support large building material components.\n        <ul class=\"check-list\">\n          <li>Reference passing size: 8 \u00d7 2.5 \u00d7 2.5 m.<\/li>\n          <li>Sandblasting pretreatment improves coating adhesion on steel.<\/li>\n          <li>Natural gas heating supports large-part curing efficiency.<\/li>\n        <\/ul>\n      <\/div>\n    <\/div>\n\n    <div class=\"zigzag-row reverse\">\n      <div class=\"zigzag-text\">\n        <h3>Different Building Materials Need Different Line Configurations<\/h3>\n        <strong>Challenge:<\/strong> Lighting accessories, aluminum ceilings, steel structures, curtain rods, slide rails, and aluminum profiles have different shapes, materials, and production requirements.\n        <strong>KETU Solution:<\/strong> KETU configures pretreatment method, spray room type, conveyor route, curing oven, and PLC control according to product material, size, output, and coating standard.\n        <ul class=\"check-list\">\n          <li>Backpack + bottom exhaust room for lighting accessories.<\/li>\n          <li>Walk-in room for large prefabricated house steel structures.<\/li>\n          <li>PP large cyclone automatic room for aluminum ceiling mass production.<\/li>\n        <\/ul>\n      <\/div>\n      <div class=\"zigzag-img\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/powder-booth.webp\" alt=\"Customized powder coating line for different building materials\" loading=\"lazy\">\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"solution\" style=\"background:#f8fafc;\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Complete System Lineup<\/div>\n      <h2>Building Materials Powder Coating Line Equipment Modules<\/h2>\n      The complete building materials coating solution can include pretreatment, drying, powder spraying, powder recovery, natural gas curing, cooling, conveying, inspection, and PLC control modules.\n    <\/div>\n\n    <div class=\"card-grid\">\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/04\/spray-typepretreatment.png\" alt=\"Pretreatment system for building materials powder coating line\" loading=\"lazy\">\n        <div class=\"card-body\">\n          <h3>Pretreatment System<\/h3>\n          Spray pretreatment, sandblasting, manual polishing, cleaning, degreasing, and surface preparation can be configured according to material type and coating target.\n          <strong>Use:<\/strong> lighting accessories, steel structures, aluminum ceilings, profiles.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/powder-booth-35-scaled.webp\" alt=\"Powder spray room for architectural coating production line\" loading=\"lazy\">\n        <div class=\"card-body\">\n          <h3>Powder Spray Room<\/h3>\n          Backpack room, bottom exhaust room, PP large cyclone automatic room, or walk-in powder spraying room can be selected according to workpiece size and output.\n          <strong>Use:<\/strong> high-volume ceilings, large steel structures, and mixed building parts.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Conveyor-System.webp\" alt=\"Conveying system for aluminum profile coating and building materials coating\" loading=\"lazy\">\n        <div class=\"card-body\">\n          <h3>Conveying and Hanging System<\/h3>\n          Conveyor routes, hanging pitch, hooks, and fixtures are designed for flat panels, long profiles, heavy structures, and high-volume standard components.\n          <strong>Use:<\/strong> aluminum profiles, ceilings, steel structures, curtain rods, slide rails.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Baking-and-Curing.png\" alt=\"Drying oven for building materials pretreatment line\" loading=\"lazy\">\n        <div class=\"card-body\">\n          <h3>Drying Oven<\/h3>\n          After spray pretreatment, the drying oven removes water before powder coating to reduce bubbles, pinholes, and adhesion defects.\n          <strong>Use:<\/strong> lighting accessories and aluminum ceiling spray pretreatment lines.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/gascuring-oven-6-scaled.webp\" alt=\"Natural gas curing furnace for building materials powder coating line\" loading=\"lazy\">\n        <div class=\"card-body\">\n          <h3>Natural Gas Curing Furnace<\/h3>\n          Natural gas heating, high-power circulation fan, and variable temperature control cure powder into a durable and stable coating film.\n          <strong>Use:<\/strong> architectural coating, aluminum profile coating, and steel structure coating.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Centralized-PLC-Control.png\" alt=\"PLC control and inspection for building materials coating line\" loading=\"lazy\">\n        <div class=\"card-body\">\n          <h3>PLC Control and Inspection<\/h3>\n          PLC touch-screen control manages conveyor, temperature, spraying, drying, curing, alarms, and process settings for stable production.\n          <strong>Use:<\/strong> high-capacity building materials coating workshops.\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div style=\"text-align:center;margin-top:40px;\">\n      <a href=\"https:\/\/wa.me\/8618925987762\" target=\"_blank\" rel=\"noopener\" onclick=\"setSource('Building Materials Solution Modules - Request Specification')\" class=\"btn-primary\">Request Detailed Product Specifications<\/a>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding ref-section\" id=\"reference\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Reference Production Lines<\/div>\n      <h2>Building Materials Coating Production Line References<\/h2>\n      KETU reference projects cover lighting accessories, prefabricated house steel structures, and aluminum ceilings, showing different line configurations for building materials coating and architectural coating.\n    <\/div>\n\n    <div class=\"project-card\" style=\"margin-bottom:30px;\">\n      <div class=\"project-head\">\n        <div>\n          <h3>Lighting Spraying Assembly Line<\/h3>\n          This electrostatic coating production line was designed for a lighting company. The coating products are mainly lighting accessories, with monthly spraying volume about 300,000 pieces. The process includes hanging, spray pretreatment, drying, powder coating, curing, cooling, and removing workpieces.\n        <\/div>\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/elevated-process-enclosure-supported-by-orange-steel-columns.webp\" alt=\"Lighting accessories powder coating production line reference\" loading=\"lazy\">\n      <\/div>\n      <div class=\"spec-grid\">\n        <div class=\"spec-item\"><small>Workpiece Type<\/small><strong>Lighting<\/strong><\/div>\n        <div class=\"spec-item\"><small>Productivity<\/small><strong>300,000 pieces\/month<\/strong><\/div>\n        <div class=\"spec-item\"><small>Pre-Treatment<\/small><strong>Spray-type pre-treatment<\/strong><\/div>\n        <div class=\"spec-item\"><small>Spray Room<\/small><strong>Backpack powder spraying room + bottom exhaust powder spraying room<\/strong><\/div>\n        <div class=\"spec-item\"><small>Heating Energy<\/small><strong>Natural gas<\/strong><\/div>\n        <div class=\"spec-item\"><small>Air Supply<\/small><strong>High-power circulation fan<\/strong><\/div>\n        <div class=\"spec-item\"><small>Heat Control<\/small><strong>Variable temperature<\/strong><\/div>\n        <div class=\"spec-item\"><small>Pipeline Control<\/small><strong>PLC touch screen<\/strong><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"project-card\" style=\"margin-bottom:30px;\">\n      <div class=\"project-head\">\n        <div>\n          <h3>Prefabricated House Steel Structure Coating Line<\/h3>\n          This electrostatic coating equipment was designed for a prefabricated house company. The coating products are mainly steel structures, with about 200 tons of raw materials sprayed every month. The process includes grinding pretreatment, hanging, powder coating, curing, cooling, and removing workpiece.\n        <\/div>\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/canopy-covered-treatment-zone-with-support-columns.webp\" alt=\"Prefabricated house steel structure powder coating line reference\" loading=\"lazy\">\n      <\/div>\n      <div class=\"spec-grid\">\n        <div class=\"spec-item\"><small>Maximum Passing Size<\/small><strong>8 \u00d7 2.5 \u00d7 2.5 m<\/strong><\/div>\n        <div class=\"spec-item\"><small>Workpiece Type<\/small><strong>Prefabricated house steel structure<\/strong><\/div>\n        <div class=\"spec-item\"><small>Productivity<\/small><strong>200 tons of raw materials\/month<\/strong><\/div>\n        <div class=\"spec-item\"><small>Pretreatment Method<\/small><strong>Sandblasting pretreatment<\/strong><\/div>\n        <div class=\"spec-item\"><small>Spray Room<\/small><strong>Walk-in powder spraying room<\/strong><\/div>\n        <div class=\"spec-item\"><small>Heating Energy<\/small><strong>Natural gas<\/strong><\/div>\n        <div class=\"spec-item\"><small>Air Supply<\/small><strong>High-power circulating fan<\/strong><\/div>\n        <div class=\"spec-item\"><small>Heat Control<\/small><strong>Variable temperature<\/strong><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"project-card\">\n      <div class=\"project-head\">\n        <div>\n          <h3>Aluminum Ceiling Powder Coating Production Lines<\/h3>\n          KETU designed and built two electrostatic coating production lines for an aluminum ceiling company: one bridge-type assembly line and one horizontal assembly line. The coating products are mainly aluminum ceilings, with monthly spraying volume about 1 million pieces.\n        <\/div>\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/04\/cropped-building-materials-industry-2.webp\" alt=\"Aluminum ceiling PP large cyclone powder coating production line reference\" loading=\"lazy\">\n      <\/div>\n      <div class=\"spec-grid\">\n        <div class=\"spec-item\"><small>Workpiece Type<\/small><strong>Aluminum ceiling<\/strong><\/div>\n        <div class=\"spec-item\"><small>Productivity<\/small><strong>1 million pieces\/month<\/strong><\/div>\n        <div class=\"spec-item\"><small>Pre-Treatment<\/small><strong>Spray pre-treatment<\/strong><\/div>\n        <div class=\"spec-item\"><small>Spray Room<\/small><strong>PP large cyclone automatic spray room<\/strong><\/div>\n        <div class=\"spec-item\"><small>Heating Energy<\/small><strong>Natural gas<\/strong><\/div>\n        <div class=\"spec-item\"><small>Air Supply<\/small><strong>High-power circulation fan<\/strong><\/div>\n        <div class=\"spec-item\"><small>Heat Control<\/small><strong>Variable temperature<\/strong><\/div>\n        <div class=\"spec-item\"><small>Pipeline Control<\/small><strong>PLC touch screen<\/strong><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"components\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Core Components<\/div>\n      <h2>Main Systems in Building Materials <a href=\"\/powder-coating-equipment\/\" style=\"font-weight:bold;color:#7c3aed;text-decoration:underline;\">Powder Coating Equipment<\/a><\/h2>\n      Electrostatic powder coating lines are advanced and eco-friendly technology widely used in building materials, including aluminum profiles, steel components, ceilings, curtain rods, and slide rails.\n    <\/div>\n\n    <div class=\"card-grid\">\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Pretreatment-System.webp\" alt=\"Pretreatment system for architectural coating line\">\n        <div class=\"card-body\">\n          <h3>01 Pretreatment System<\/h3>\n          Surface preparation may include spray cleaning, sandblasting, degreasing, water washing, polishing, and drying according to material and coating standard.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Choose-the-Right-Spray-Gun-and-Control-System.png\" alt=\"Electrostatic powder spray equipment for building materials coating\">\n        <div class=\"card-body\">\n          <h3>02 Electrostatic Spraying Equipment<\/h3>\n          Powder is charged by a high-voltage electrostatic generator and sprayed onto grounded building material workpieces for even coating.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/powder-booth-30.webp\" alt=\"Powder spray room for aluminum profile coating line\">\n        <div class=\"card-body\">\n          <h3>03 Spray Room System<\/h3>\n          Backpack, bottom exhaust, PP large cyclone automatic, or walk-in rooms can be chosen according to workpiece shape, output, and recovery needs.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Conveyor-System.webp\" alt=\"Conveying system for building materials coating production\">\n        <div class=\"card-body\">\n          <h3>04 Conveying System<\/h3>\n          Conveyor path, hanging fixtures, loading pitch, and part spacing are designed for lighting, ceiling panels, profiles, and large steel structures.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Baking-and-Curing.png\" alt=\"Drying and curing furnace for architectural powder coating\">\n        <div class=\"card-body\">\n          <h3>05 Drying and Curing System<\/h3>\n          Drying removes pretreatment moisture, while curing melts and solidifies powder into a durable architectural coating film.\n        <\/div>\n      <\/div>\n\n      <div class=\"card\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/production-line-191-scaled.webp\" alt=\"PLC control and environmental protection for building materials coating line\">\n        <div class=\"card-body\">\n          <h3>06 Control and Environmental System<\/h3>\n          PLC control, powder recovery, dust collection, exhaust, safety protection, and process monitoring support stable and eco-friendly production.\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"process\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Process Flow<\/div>\n      <h2>Complete Building Materials <a href=\"\/powder-coating-process\/\" style=\"font-weight:bold;color:#7c3aed;text-decoration:underline;\">Powder Coating Process<\/a><\/h2>\n      The process can be adjusted according to product type. Lighting and aluminum ceilings use spray pretreatment, while prefabricated house steel structures can use sandblasting or grinding pretreatment.\n    <\/div>\n\n    <div class=\"timeline\">\n      <div class=\"timeline-item\">\n        <h3>Stage 1: Hanging Workpiece<\/h3>\n        Workpieces are hung or loaded onto fixtures. Correct hanging improves grounding, spray access, airflow, and production rhythm.\n      <\/div>\n\n      <div class=\"timeline-item\">\n        <h3>Stage 2: Pretreatment<\/h3>\n        Depending on the workpiece, the line uses spray pretreatment, sandblasting, or manual polishing to clean the surface and improve coating adhesion.\n      <\/div>\n\n      <div class=\"timeline-item\">\n        <h3>Stage 3: Drying Oven<\/h3>\n        After spray pretreatment, workpieces enter the drying oven. Drying removes water before powder coating and reduces bubbles, pinholes, and adhesion issues.\n      <\/div>\n\n      <div class=\"timeline-item\">\n        <h3>Stage 4: Powder Coating Room<\/h3>\n        Charged powder is sprayed onto grounded workpieces in the selected spray room system, forming an even coating on the material surface.\n      <\/div>\n\n      <div class=\"timeline-item\">\n        <h3>Stage 5: Curing Oven<\/h3>\n        After powder coating, workpieces enter the curing oven. Powder melts, levels, and cures into a solid architectural coating film.\n      <\/div>\n\n      <div class=\"timeline-item\">\n        <h3>Stage 6: Cooling and Removing Workpiece<\/h3>\n        After curing, parts are cooled, removed, inspected, and prepared for packaging, installation, or the next manufacturing step.\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"features\" style=\"background:#f8fafc;\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Features<\/div>\n      <h2>Why Electrostatic Powder Coating Fits Building Materials<\/h2>\n      Electrostatic powder coating enhances product appearance and longevity, while aligning with sustainability and environmental protection trends in the building materials industry.\n    <\/div>\n\n    <div class=\"card-grid\">\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Durable-Surface-Protection.png\" alt=\"Durable building materials coating surface finish\"><div class=\"card-body\"><h3>Durable Surface Protection<\/h3>Powder coating improves corrosion resistance, adhesion, and surface durability for architectural products and building material components.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Attractive-Architectural-Finish.png\" alt=\"Beautiful aluminum profile coating and architectural finish\"><div class=\"card-body\"><h3>Attractive Architectural Finish<\/h3><p>Color, gloss, and texture can be adjusted for aluminum profiles, ceilings, lighting accessories, and decorative building materials.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Eco-Friendly-Technology.png\" alt=\"Eco friendly building materials powder coating line\"><div class=\"card-body\"><h3>Eco-Friendly Technology<\/h3><p>Powder coating reduces solvent-related emissions and supports more sustainable building material production.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Conveyor-System.webp\" alt=\"High volume aluminum ceiling powder coating production\"><div class=\"card-body\"><h3>High-Volume Production<\/h3><p>Automatic powder room and PLC control can support large output, such as aluminum ceiling production up to 1 million pieces per month.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Large-Workpiece-Compatibility.png\" alt=\"Large prefabricated house steel structure powder coating\"><div class=\"card-body\"><h3>Large Workpiece Compatibility<\/h3><p>Walk-in rooms and customized curing systems can process large prefabricated house steel structures and architectural frames.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Flexible-Configuration.png\" alt=\"Flexible building materials coating line configuration\"><div class=\"card-body\"><h3>Flexible Configuration<\/h3><p>The line can be configured for lighting, steel structures, ceilings, profiles, curtain rods, slide rails, and other building products.<\/p><\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"buying-guide\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Complete Buying Guide<\/div>\n      <h2>How to Choose a Building Materials Powder Coating Line<\/h2>\n      <p>When purchasing a building materials coating line, evaluate material type, product size, output, pretreatment method, spray room system, curing capacity, environmental requirements, and long-term operating cost.\n    <\/div>\n\n    <div class=\"guide-layout\">\n      <aside class=\"guide-sidebar\">\n        <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Custom-Engineering-Layout.png\" alt=\"Building materials powder coating line buyer checklist\" loading=\"lazy\">\n        <h3>Before Requesting a Quotation<\/h3>\n        Prepare these details so the architectural coating line can be designed accurately.\n        <ul class=\"guide-checklist\">\n          <li>Product type: lighting, prefabricated house steel structure, aluminum ceiling, aluminum profile, curtain rod, slide rail, steel component<\/li>\n          <li>Maximum passing size, workpiece weight, material thickness, and hanging method<\/li>\n          <li>Monthly output target and production rhythm<\/li>\n          <li>Required color, gloss, texture, outdoor durability, corrosion resistance, and film thickness<\/li>\n          <li>Pretreatment method: spray pretreatment, sandblasting, polishing, cleaning, or chemical process<\/li>\n          <li>Spray room preference: backpack, bottom exhaust, PP large cyclone automatic, walk-in, or hybrid system<\/li>\n          <li>Energy source: natural gas, electricity, compressed air, water, exhaust, and wastewater condition<\/li>\n          <li>Factory layout, installation area, ceiling height, safety requirements, and future expansion plan<\/li>\n        <\/ul>\n        <div style=\"margin-top:22px;\">\n          <a href=\"https:\/\/wa.me\/8618925987762\" target=\"_blank\" rel=\"noopener\" onclick=\"setSource('Building Materials Buying Guide Sidebar - Send Requirements')\" class=\"btn-primary\">Send Project Requirements<\/a>\n        <\/div>\n      <\/aside>\n\n      <div class=\"guide-grid\">\n        <div class=\"guide-card\"><div class=\"guide-step\">01<\/div><div><h3>Clarify Product Material and Geometry<\/h3>Aluminum ceilings, aluminum profiles, steel structures, lighting parts, and curtain rods have different sizes, weights, and coating requirements. The equipment layout should start from product geometry.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">02<\/div><div><h3>Choose the Right Pretreatment<\/h3><p>Spray pretreatment fits high-volume aluminum and lighting parts. Sandblasting is suitable for steel structures with strong adhesion requirements. Manual polishing may be needed for visible surfaces.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">03<\/div><div><h3>Select Spray Room Type<\/h3><p>PP large cyclone automatic rooms support high output and powder recovery. Walk-in rooms fit large structures. Backpack and bottom exhaust rooms fit flexible lighting accessory production.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">04<\/div><div><h3>Match Curing Oven Capacity<\/h3><p>Oven size, heating energy, fan capacity, insulation, and conveyor speed must match workpiece weight, metal thickness, and powder curing curve.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">05<\/div><div><h3>Evaluate Architectural Performance<\/h3><p>For outdoor building materials, confirm UV resistance, corrosion resistance, adhesion, color stability, gloss stability, and coating thickness requirements.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">06<\/div><div><h3>Plan Conveyor and Fixtures<\/h3><p>Long profiles, ceiling panels, lighting parts, and steel structures need different hook designs, loading pitch, grounding contact, and anti-swing control.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">07<\/div><div><h3>Review Environmental Requirements<\/h3><p>Check powder recovery, dust collection, exhaust, pretreatment wastewater, gas safety, operator protection, and local environmental compliance.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">08<\/div><div><h3>Compare Automation Level<\/h3><p>High-output aluminum ceilings need automatic systems, while large steel structures may need walk-in manual production. Choose automation based on real product flow.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">09<\/div><div><h3>Calculate Total Cost<\/h3><p>Compare equipment price with powder recovery, energy cost, labor, maintenance, rework, wastewater treatment, and long-term coating quality.<\/p><\/div><\/div>\n        <div class=\"guide-card\"><div class=\"guide-step\">10<\/div><div><h3>Reserve Expansion Space<\/h3><p>If output may increase or product types may expand, reserve workshop space and layout options for future equipment upgrades.<\/p><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"order-process\" style=\"background:#f8fafc;\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Order Process<\/div>\n      <h2>From Building Materials Coating Requirements to Delivery<\/h2>\n      <p>KETU provides consultation, layout design, technical confirmation, manufacturing, delivery, installation guidance, commissioning, and after-sales service.\n    <\/div>\n\n    <div class=\"timeline\">\n      <div class=\"timeline-item\"><h3>Step 1: Send Requirements<\/h3>Leave your contact information and project needs. Our technicians will communicate with you to understand product type, size, output, and coating requirements.<\/p><\/div>\n      <div class=\"timeline-item\"><h3>Step 2: Design Plan<\/h3><p>The design team checks your requirements, gives improvement suggestions, designs the equipment plan, and prepares quotation.<\/p><\/div>\n      <div class=\"timeline-item\"><h3>Step 3: Confirmation<\/h3><p>After the plan and quotation are confirmed, detailed drawings are prepared and checked with you to finalize the implementation plan.<\/p><\/div>\n      <div class=\"timeline-item\"><h3>Step 4: Cooperation and Delivery<\/h3><p>After signing the contract, customized equipment is manufactured, packed into containers, and delivered safely and on time.<\/p><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"customization\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">Customization<\/div>\n      <h2>Custom Options for Building Materials Powder Coating Lines<\/h2>\n      <p>Each building materials factory has different substrates, sizes, output targets, surface standards, and factory layouts. KETU can customize the major system modules.\n    <\/div>\n\n    <div class=\"card-grid\">\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/6-scaled.webp\" alt=\"Pretreatment customization for building materials coating line\"><div class=\"card-body\"><h3>Pretreatment Method<\/h3>Spray cleaning, sandblasting, manual polishing, degreasing, washing, phosphating, and drying can be customized according to substrate and standard.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2025\/12\/pppowder-booth-jpg.webp\" alt=\"Spray room customization for aluminum profile coating line\"><div class=\"card-body\"><h3>Spray Room System<\/h3><p>Backpack, bottom exhaust, PP large cyclone automatic, walk-in, or hybrid spray room design can match product shape and output.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Pre-Assembly-Inspection.webp\" alt=\"Capacity customization for building materials powder coating\"><div class=\"card-body\"><h3>Capacity Planning<\/h3><p>Line capacity can be planned for lighting accessories, aluminum ceilings, steel structures, or architectural components with different output levels.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/01\/curing-oven-9-scaled.webp\" alt=\"Natural gas curing furnace customization for architectural coating\"><div class=\"card-body\"><h3>Curing System<\/h3><p>Natural gas heating, oven size, air circulation, temperature zones, insulation, and exhaust can be matched to product size and powder type.<\/p><\/div><\/div>\n      <div class=\"card\"><a href=\"\/conveyor-system-for-powder-coating\/\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/05\/Conveyor-System.png\" alt=\"Conveyor fixture customization for aluminum profiles and ceilings\"><\/a><div class=\"card-body\"><h3>Conveyor and Fixtures<\/h3><p>Hanging pitch, hooks, fixtures, grounding contact, conveyor speed, and line route can be customized for profiles, panels, and large structures.<\/p><\/div><\/div>\n      <div class=\"card\"><img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Centralized-PLC-Control.png\" alt=\"PLC and environmental system customization for building materials coating\"><div class=\"card-body\"><h3>PLC and Environmental System<\/h3><p>Touch-screen control, alarms, powder recovery, dust collection, wastewater planning, and safety systems can be integrated.<\/p><\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"faq\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"section-eyebrow\">FAQ and Troubleshooting<\/div>\n      <h2>Building Materials Powder Coating Line FAQ<\/h2>\n      <p>These questions cover building materials coating, aluminum profile coating, architectural coating, pretreatment, curing, output planning, coating defects, and line selection.\n    <\/div>\n\n    <div class=\"faq-layout\">\n      <details class=\"faq-item\" open><summary>What building materials can this powder coating line handle?<\/summary><div class=\"faq-answer\">It can be configured for lighting accessories, prefabricated house steel structures, aluminum ceilings, aluminum profiles, curtain rods, slide rails, architectural frames, steel components, and decorative building materials.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Is powder coating suitable for aluminum profile coating?<\/summary><div class=\"faq-answer\">Yes. Powder coating is widely used for aluminum profiles and architectural components. The line must control pretreatment, coating thickness, powder type, curing temperature, and profile hanging method.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Which pretreatment method should I choose?<\/summary><div class=\"faq-answer\">Lighting and aluminum ceiling lines usually use spray pretreatment. Prefabricated house steel structures may use sandblasting pretreatment. The correct method depends on material, surface condition, corrosion requirement, and output target.<\/div><\/details>\n      <details class=\"faq-item\"><summary>What is the reference production capacity?<\/summary><div class=\"faq-answer\">Reference outputs include about 300,000 lighting accessories per month, 200 tons of prefabricated house steel structure raw materials per month, and 1 million aluminum ceiling pieces per month.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why choose PP large cyclone automatic spray room for aluminum ceiling?<\/summary><div class=\"faq-answer\">PP large cyclone automatic spray room supports high-volume production, stable coating quality, and powder recovery, making it suitable for large-scale aluminum ceiling architectural coating lines.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why is walk-in powder spraying room used for prefabricated house structures?<\/summary><div class=\"faq-answer\">Prefabricated house steel structures are large and heavy. A walk-in powder spraying room gives operators enough access and space for large structural components.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why is the coating not shiny enough?<\/summary><div class=\"faq-answer\">Low gloss may be caused by incorrect curing temperature, insufficient curing time, poor powder quality, surface contamination, or uneven oven temperature. Check powder formula, actual part temperature, and curing oven balance.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why does the coating change color?<\/summary><div class=\"faq-answer\">Color change can come from over-curing, excessive oven temperature, powder contamination, mixed colors, or unstable heat control. Clean the powder system and verify the curing profile.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why is the coating surface orange peel?<\/summary><div class=\"faq-answer\">Orange peel may be related to excessive film thickness, powder formulation, poor leveling, wrong curing profile, or uneven heating. Adjust spray thickness and confirm curing temperature and time.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why do bubbles, pinholes, or concave holes appear?<\/summary><div class=\"faq-answer\">These defects may be caused by oil, water, dust, poor pretreatment, insufficient drying, moisture, substrate outgassing, or compressed air contamination. Improve pretreatment, drying, and booth cleanliness.<\/div><\/details>\n      <details class=\"faq-item\"><summary>Why does the coating fall off?<\/summary><div class=\"faq-answer\">Coating peel-off is usually caused by poor surface preparation, oil residue, weak pretreatment, under-curing, poor grounding, or powder unsuitable for the substrate and use environment.<\/div><\/details>\n      <details class=\"faq-item\"><summary>How should I choose oven size?<\/summary><div class=\"faq-answer\">Oven size should be based on maximum passing size, workpiece weight, metal thickness, curing time, loading spacing, and production output. Large structures need enough heat absorption time and stable hot air circulation.<\/div><\/details>\n      <details class=\"faq-item\"><summary>What information should I send for a custom building materials coating line quote?<\/summary><div class=\"faq-answer\">Send product photos or drawings, maximum passing size, material type, workpiece weight, monthly output, required coating finish, pretreatment method, factory layout, energy source, and target installation time.<\/div><\/details>\n    <\/div>\n  <\/div>\n<\/section>\n\n<section class=\"section-padding\" id=\"contact\">\n  <div class=\"container\">\n    <div class=\"cta-panel\">\n      <div>\n        <h2>Need a Building Materials Powder Coating Line Layout?<\/h2>\n        Send your building material drawings, maximum passing size, monthly output target, coating finish standard, pretreatment requirement, factory layout, energy source, and installation plan. KETU can prepare a suitable building materials coating, aluminum profile coating, or architectural coating configuration.\n        <div class=\"hero-actions\">\n          <a href=\"https:\/\/wa.me\/8618925987762\" target=\"_blank\" rel=\"noopener\" onclick=\"setSource('Building Materials Bottom CTA - Send Requirements')\" class=\"btn-primary\">Send Project Requirements<\/a>\n          <a href=\"mailto:ketucoatingline@gmail.com\" class=\"btn-secondary\">Email Us Directly<\/a>\n        <\/div>\n        <div class=\"contact-info\">\n          <span class=\"contact-pill\">ketucoatingline@gmail.com<\/span>\n          <span class=\"contact-pill\">+86-18925987762<\/span>\n        <\/div>\n      <\/div>\n      <img decoding=\"async\" src=\"https:\/\/www.powdercoatlinekt.com\/wp-content\/uploads\/2026\/06\/Custom-Engineering-Layout.png\" alt=\"Engineer designing building materials powder coating line layout\" loading=\"lazy\">\n    <\/div>\n  <\/div>\n<\/section>\n\n<a class=\"kt-floating-contact\" href=\"https:\/\/wa.me\/8618925987762\" target=\"_blank\" rel=\"noopener\" onclick=\"setSource('Building Materials Floating Contact Button')\"> Contact Us<\/a>\n\n<div class=\"kt-contact-popup\" id=\"kt-contact-popup\">\n  <a class=\"kt-contact-popup-overlay\" href=\"#\"><\/a>\n  <div class=\"kt-contact-popup-box\">\n    <a class=\"kt-contact-popup-close\" href=\"#\">\u00d7<\/a>\n    <h3>Request a Building Materials Powder Coating Line Solution<\/h3>\n    Tell us your building material type, maximum passing size, monthly output, coating standard, factory layout, and current coating challenges. We will recommend a suitable line configuration.\n\n    <form id=\"ktZeroyContactForm\">\n      <input type=\"text\" name=\"name\" placeholder=\"Your Name\" required>\n      <input type=\"text\" name=\"phone\" placeholder=\"Email \/ WhatsApp \/ Phone\" required>\n      <textarea name=\"message\" rows=\"5\" placeholder=\"Product type, maximum passing size, monthly output, coating finish, pretreatment method, factory layout, energy source...\" required><\/textarea>\n      <input type=\"text\" name=\"_zeroy_hp\" style=\"display:none;\" tabindex=\"-1\" autocomplete=\"off\">\n      <input type=\"hidden\" name=\"_zeroy_redirect\" value=\"https:\/\/www.coatinglinekt.com\/\">\n      <button type=\"submit\">Submit Project Requirements<\/button>\n      <div id=\"ktFormMessage\"><\/div>\n    <\/form>\n  <\/div>\n<\/div>\n\n<script>\n  function setSource(source) {\n    window.ktLeadSource = source;\n    try { localStorage.setItem('inquiry_source', source); } catch (e) {}\n  }\n\n  document.addEventListener('DOMContentLoaded', function () {\n    const mainImage = document.getElementById('buildingMainImage');\n    const thumbButtons = Array.from(document.querySelectorAll('.thumbnail-gallery .thumb-btn'));\n    const prevButton = document.getElementById('buildingPrev');\n    const nextButton = document.getElementById('buildingNext');\n    let currentIndex = 0;\n\n    function showGalleryImage(index) {\n      if (!mainImage || !thumbButtons.length) return;\n      const safeIndex = (index + thumbButtons.length) % thumbButtons.length;\n      const activeButton = thumbButtons[safeIndex];\n      const thumbImage = activeButton.querySelector('img');\n      if (!thumbImage) return;\n      const largeImageUrl = thumbImage.getAttribute('data-large') || thumbImage.getAttribute('src');\n      const imageAlt = thumbImage.getAttribute('alt') || 'Building materials powder coating line image';\n      mainImage.classList.add('is-changing');\n      setTimeout(function () {\n        mainImage.src = largeImageUrl;\n        mainImage.alt = imageAlt;\n        thumbButtons.forEach(function (button) {\n          button.classList.remove('active');\n          button.setAttribute('aria-selected', 'false');\n        });\n        activeButton.classList.add('active');\n        activeButton.setAttribute('aria-selected', 'true');\n        currentIndex = safeIndex;\n        mainImage.classList.remove('is-changing');\n      }, 120);\n    }\n\n    thumbButtons.forEach(function (button, index) {\n      button.addEventListener('click', function () { showGalleryImage(index); });\n    });\n    if (prevButton) prevButton.addEventListener('click', function () { showGalleryImage(currentIndex - 1); });\n    if (nextButton) nextButton.addEventListener('click', function () { showGalleryImage(currentIndex + 1); });\n    showGalleryImage(0);\n\n    const tabButtons = Array.from(document.querySelectorAll('.tab-btn'));\n    const tabPanels = Array.from(document.querySelectorAll('.tab-panel'));\n    tabButtons.forEach(function (btn) {\n      btn.addEventListener('click', function () {\n        const id = btn.getAttribute('data-tab');\n        tabButtons.forEach(function (b) { b.classList.remove('active'); });\n        tabPanels.forEach(function (panel) { panel.classList.remove('active'); });\n        btn.classList.add('active');\n        const activePanel = document.getElementById(id);\n        if (activePanel) activePanel.classList.add('active');\n      });\n    });\n\n    const form = document.getElementById('ktZeroyContactForm');\n    const msg = document.getElementById('ktFormMessage');\n    if (form) {\n      form.addEventListener('submit', function (event) {\n        event.preventDefault();\n        const submitBtn = form.querySelector('button[type=\"submit\"]');\n        const formData = new FormData(form);\n        let source = window.ktLeadSource;\n        try { source = source || localStorage.getItem('inquiry_source'); } catch (e) {}\n        if (source) {\n          const message = formData.get('message') || '';\n          formData.set('message', '[' + source + '] ' + message);\n        }\n        if (submitBtn) {\n          submitBtn.disabled = true;\n          submitBtn.textContent = 'Submitting...';\n        }\n        fetch('https:\/\/www.coatinglinekt.com\/wp-json\/zeroy\/v1\/submissions', {\n          method: 'POST',\n          body: formData\n        })\n        .then(function (response) { return response.json(); })\n        .then(function (result) {\n          if (result && result.success === true) {\n            window.location.href = 'https:\/\/www.coatinglinekt.com\/';\n          } else {\n            throw new Error('Submission failed');\n          }\n        })\n        .catch(function () {\n          if (msg) msg.textContent = 'Submission failed. Please contact us directly: ketucoatingline@gmail.com';\n        })\n        .finally(function () {\n          if (submitBtn) {\n            submitBtn.disabled = false;\n            submitBtn.textContent = 'Submit Project Requirements';\n          }\n        });\n      });\n    }\n  });\n<\/script>","protected":false},"excerpt":{"rendered":"<p>\u2039<\/p>","protected":false},"author":1,"featured_media":2654,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"Building materials powder coating line by KETU \u2014 weatherproof, long-lasting coating for aluminum profiles, panels and architectural parts. Custom turnkey solutions. 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