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Waterproof Profiled Color Sheet - Mill Direct Supplier
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Waterproof Profiled Color Sheet
| Property | Parameter | Description |
|---|---|---|
| Product Name | Waterproof Profiled Color Sheet | Pre-painted galvanized/galvalume corrugated or trapezoidal roofing sheet with waterproof performance |
| Material Grade | SGCC / DX51D+Z / DX51D+AZ | International equivalents: JIS G3302 SGCC, EN 10346 DX51D, ASTM A653 CS Type B |
| Standard Compliance | ASTM A755 / EN 10169 / GB/T 12754 | Covers pre-painted metallic coated steel sheet for building applications |
| Chemical Composition (Base Steel) | C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.045%, S ≤ 0.045%, Si ≤ 0.50% | Low-carbon steel substrate ensuring good formability and coating adhesion |
| Coating Type | Galvanized (Z80–Z275 g/m²) / Galvalume (AZ50–AZ150 g/m²) | Hot-dip zinc or zinc-aluminum alloy coating for corrosion resistance |
| Paint Coating | Top coat: 20–25 μm (PVDF or PE); Back coat: 5–7 μm | PVDF coating offers superior UV resistance and 25+ year color retention |
| Tensile Strength | ≥ 270 MPa (SGCC) / ≥ 330 MPa (high-strength grade) | Per ASTM A755 / EN 10346; ensures structural integrity under wind and snow loads |
| Yield Strength | ≥ 140 MPa (SGCC) / ≥ 280 MPa (high-strength grade) | Adequate yield strength for profiled sheet forming without cracking |
| Elongation | ≥ 22% (A80mm) | Good ductility for roll-forming into corrugated or trapezoidal profiles |
| Thickness Range | 0.3 mm – 1.2 mm (base metal) | Common roofing thickness: 0.4 mm, 0.5 mm, 0.6 mm; customizable |
| Width Range | Effective width: 750 mm – 1050 mm; Coil width: up to 1250 mm | Profile pitch and rib height vary by design (e.g., 750/900/1000 mm effective coverage) |
| Length | 1000 mm – 12000 mm (customizable) | Cut-to-length available; standard lengths 3 m, 4 m, 6 m |
| Profile Type | Corrugated, Trapezoidal (T18, T25, T35), Standing Seam | Rib height 18–35 mm; waterproof lap joint design at side and end overlaps |
| Surface Finish | Smooth / Embossed; Colors: RAL standard (Red, Blue, Green, Grey, White, etc.) | Gloss level 30–70 GU; uniform color with no peeling or blistering |
| Application | Industrial plants, warehouses, commercial buildings, residential roofing, wall cladding | Suitable for high-humidity, coastal, and industrial corrosive environments |
| Certification | ISO 9001, CE Marking, SGS, BV | Third-party inspection available; fire resistance class per EN 13501 |
| Packaging | Bundled in steel straps with waterproof kraft paper wrapping; wooden pallet or steel pallet | Export seaworthy packaging; each bundle ≤ 3 MT for safe handling |
| MOQ | 5 Metric Tons per specification | Mixed specifications accepted; OEM/ODM profile design available upon request |
Waterproof Profiled Color Sheet - Mill Direct Supplier
Waterproof profiled color sheet serves as one of the most versatile and durable roofing and cladding materials in modern construction, delivering reliable weather protection across industrial, commercial, and residential applications. Engineered with a multi-layer coating system, these panels combine structural rigidity with outstanding anti-corrosion properties, making them ideal for environments exposed to heavy rainfall, coastal humidity, and extreme temperature fluctuations. As a mill-direct supplier, we produce each sheet to precise dimensional tolerances, ensuring consistent performance from project to project. Our waterproof profiled color sheets are manufactured in compliance with international standards including GB/T 12755, EN 14782, and ASTM A755, covering a broad spectrum of profiles—corrugated, trapezoidal, and standing seam—to suit diverse architectural requirements. With decades of production experience and state-of-the-art roll-forming lines, we deliver panels that balance aesthetic appeal with long-term structural integrity, giving contractors and developers a cost-effective solution without compromising on quality.
What is Waterproof Profiled Color Sheet?
A waterproof profiled color sheet is a cold-roll-formed steel panel coated with a color-finished polymer layer—typically polyester (PE), high-durability polyester (HDP), polyvinylidene fluoride (PVDF), or silicon-modified polyester (SMP)—applied over a hot-dip galvanized or galvalume substrate. The profiled geometry, whether trapezoidal or corrugated, enhances load-bearing capacity and accelerates water runoff, while the sealed coating system prevents moisture ingress and UV degradation over a service life exceeding 25 years.
Waterproof Profiled Color Sheet Manufacturing Process
Production begins with premium cold-rolled steel coils (base thickness 0.30–1.20 mm, yield strength ≥ 280 MPa) that undergo continuous hot-dip zinc or zinc-aluminum coating at 80–275 g/m² coverage. Coils then pass through a chemical passivation bath, a primer coat application (5–8 µm dry film thickness), and a finish coat application (15–25 µm dry film thickness) in a precision continuous coil-coating line cured at 230°C peak metal temperature. Roll-forming presses shape the coated strip into the specified profile geometry, after which panels are cut to customer-defined lengths and inspected for dimensional accuracy (±1 mm length tolerance) and coating adhesion per cross-cut test ASTM D3359.
Waterproof Profiled Color Sheet Technical Specifications
Our standard waterproof profiled color sheet is available in the following parameters: base steel thickness 0.30–1.20 mm; total coated thickness 0.35–1.30 mm; sheet width 750–1250 mm (effective coverage); panel length custom-cut up to 12,000 mm; zinc coating mass 60–275 g/m² (double-sided, per ASTM A653); top coat dry film thickness 20–25 µm (PVDF grade); pencil hardness ≥ 2H; T-bend flexibility ≤ 2T; salt spray resistance ≥ 1,000 hours (ASTM B117); gloss retention after 1,000 hours UV exposure ≥ 80% (ASTM D4587); color options spanning RAL and custom palettes with ΔE ≤ 1.5 color deviation. Profile rib height ranges from 18 mm to 75 mm depending on structural load requirements.
Get a Competitive Quote for Waterproof Profiled Color Sheet
Ready to source premium waterproof profiled color sheet at mill-direct rates? Our technical team is standing by to review your project specifications, recommend the optimal profile and coating grade, and deliver a detailed quotation within 24 hours. Minimum order quantities start at just 5 metric tons, with volume pricing available for orders exceeding 50 metric tons.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!
