Waterproof Color Steel Sheet - Factory Price Supplier

Xinpeng Color Coating Co., Ltd.

Verified Custom manufacturer · 2 yrs ·

China

Customizable Rock-bottom price

$820 1-49 ton Base price

$784 50-99 ton 4.4% off

$766 ≥100 ton 6.6% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 820.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Waterproof Color Steel Sheet

Property	Parameter	Description
Product Name	Waterproof Color Steel Sheet	Pre-painted galvanized/galvalume steel sheet with waterproof coating
Material Grade	DX51D, DX52D, SGCC, G550	Equivalent to ASTM A653, EN 10346, JIS G3302 base metal grades
Standard Compliance	ASTM A755, EN 10169, GB/T 12754	Covers prepainted metallic coated steel sheet for building applications
Chemical Composition	C≤0.12%, Mn≤0.60%, P≤0.10%, S≤0.045%, Si≤0.50%	Base steel composition; zinc or zinc-aluminum alloy coating applied for corrosion resistance
Tensile Strength	270–560 MPa	Varies by grade; DX51D min. 270 MPa, G550 min. 550 MPa per AS 1397
Yield Strength	140–550 MPa	DX51D min. 140 MPa; high-strength grades up to 550 MPa
Elongation	≥12%–22%	Measured at gauge length A80; varies by grade and thickness
Thickness Range	0.12–1.50 mm (base metal)	Total thickness including coating; common: 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm
Width Range	600–1,250 mm	Standard coil widths; custom slit widths available upon request
Length	Coil or 1,000–12,000 mm sheets	Cut-to-length sheets or full coils; coil weight typically 3–10 MT
Coating Type	Zinc (Z60–Z275 g/m²), Galvalume (AZ50–AZ150 g/m²)	Hot-dip zinc or 55% Al-Zn alloy coating for enhanced waterproof performance
Paint Coating	Top coat 15–25 μm; primer 5–7 μm; back coat 7–15 μm	Polyester (PE), PVDF, SMP, or HDP; PVDF offers superior UV and weather resistance
Surface Finish	Smooth, embossed, matte, or high-gloss	RAL color system available; custom colors upon request; no spangle or regular spangle
Application	Roofing, wall cladding, warehouses, cold storage, prefab buildings	Widely used in construction, agriculture, industrial facilities requiring waterproof performance
Certification	ISO 9001, SGS, BV, CE	Third-party inspection available; mill test certificate (MTC) provided per EN 10204 3.1
Packaging	Coils: eye-to-sky or eye-to-wall with waterproof paper and steel strip	Sheets: bundled with wooden pallet; seaworthy export packaging standard
MOQ	5 MT per color/specification	Mixed container orders accepted; standard 20 ft container loads 20–25 MT

Waterproof Color Steel Sheet - Factory Price Supplier

Waterproof color steel sheet is one of the most sought-after building materials in modern construction, offering a reliable combination of weather resistance, structural integrity, and visual appeal. Engineered to withstand prolonged exposure to rain, humidity, and UV radiation, this product finds extensive application in industrial warehouses, agricultural facilities, commercial roofing systems, and residential cladding projects worldwide. The sheet's multi-layer coating system — typically consisting of a hot-dip galvanized or Galvalume substrate, chemical conversion treatment, primer coat, and a topcoat of polyester (PE) or polyvinylidene fluoride (PVDF) resin — delivers outstanding anti-corrosion properties and long-term color retention. As a mill-direct supplier, we provide premium-grade waterproof color steel sheets that meet international standards including ASTM A755, EN 10169, and JIS G3312, ensuring consistent quality for every bulk shipment. Whether you are sourcing for a large-scale infrastructure project or a specialized architectural application, our factory pricing and flexible customization options make us the preferred partner for buyers across Asia, Europe, the Middle East, and beyond.

What is Waterproof Color Steel Sheet?

Waterproof color steel sheet is a pre-painted, coated flat-rolled steel product designed to resist water infiltration and environmental degradation. It consists of a cold-rolled or hot-dip zinc-coated steel base with one or more polymer paint layers applied through a continuous coil-coating process. The resulting panel serves critical roles in roofing, wall cladding, ceiling panels, and composite sandwich panel facings, combining load-bearing capability with a decorative, weather-sealed surface finish.

Waterproof color steel sheet manufacturer

Waterproof Color Steel Sheet Manufacturing Process

Production begins with a cold-rolled or galvanized steel coil that is fed through a continuous coil-coating line. The substrate undergoes alkaline degreasing, water rinsing, and a chromate or chrome-free chemical conversion treatment to enhance paint adhesion. A roller-applied primer coat (5–8 µm) is then cured in a thermal oven at approximately 220°C, followed by a topcoat layer (15–25 µm) of PE, HDP, SMP, or PVDF resin. A protective back coat (5–10 µm) is applied simultaneously to the reverse side. The finished coil is inspected for coating thickness, adhesion (T-bend test per ASTM D4145), and pencil hardness before shipment.

Waterproof color steel sheet supplier

Waterproof Color Steel Sheet Technical Specifications

Standard waterproof color steel sheets are available with the following parameters: base metal thickness ranging from 0.20 mm to 1.50 mm; total coil width from 600 mm to 1,500 mm; zinc coating mass of Z60–Z275 g/m² (hot-dip galvanized) or AZ50–AZ150 g/m² (Galvalume/55% Al-Zn alloy); topcoat dry film thickness of 15–25 µm for PE and 20–27 µm for PVDF; minimum yield strength of 250 MPa (Grade 250) to 550 MPa (Grade 550) per AS 1397; and salt-spray corrosion resistance exceeding 500 hours per ASTM B117. RAL and custom color matching is available with a gloss level range of 10–80 GU measured at 60°.

Waterproof color steel sheet wholesale

Get a Competitive Quote for Waterproof Color Steel Sheet

Ready to source superior-quality waterproof color steel sheet at mill-direct rates? Our experienced sales team delivers tailored solutions for bulk procurement, custom dimensions, and specialty coatings. Submit your specifications today and receive a detailed quotation within 24 hours.

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!

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Robert C.

United States

2025-02-01

Initial coil width tolerance issue — fully resolved by supplier

Our first order of 40 tons of 0.35 mm PE-coated galvanized sheet (Z120, 1,200 mm wide) arrived with three coils measuring 1,185–1,190 mm — outside our ±5 mm tolerance per ASTM A755. We flagged this immediately. The supplier acknowledged the slitting variance, issued a credit note for the affected coils within 48 hours, and sent replacement coils at no additional freight cost. Subsequent delivery was within tolerance. Product coating quality was fine throughout — 500+ hour salt-spray and pencil hardness 2H both confirmed. Appreciate the fast resolution; will trial a second order to see if consistency holds.

Fatima A.

UAE

2025-02-23

Competitive pricing for Middle East climate specification

Sourced 70 tons of 0.55 mm PVDF-coated Galvalume (AZ100) in light grey RAL 7035 for warehouse roofing in Dubai. The PVDF topcoat at 25 µm dry film thickness is well-suited to extreme UV exposure here. Gloss retention after our accelerated weathering test was satisfactory. Pricing was noticeably competitive against regional distributors — roughly 10–12% savings on landed cost. Delivery to Jebel Ali took 35 days, which is acceptable. Docking the one star only because the initial quotation didn't include Galvalume substrate pricing and required a follow-up. Sales process could be slightly more streamlined.

Tobias M.

Germany

2025-03-16

Good value on EN 10169-compliant coils, minor documentation delay

Purchased 50 tons of 0.45 mm PE-coated galvanized sheet (Z180 g/m², 1,000 mm slit width) for resale to German panel fabricators. Product quality was solid — coating adhesion and corrosion resistance met EN 10169 Class C5 requirements as specified. Our only friction point was a two-day delay in receiving the CE declaration of conformity, which briefly stalled our customs clearance. Supplier resolved it promptly once flagged. Price per ton was approximately 8% below our previous European mill source for comparable spec. Would order again with clearer documentation timelines agreed upfront.

Know your supplier

Xinpeng Color Coating Co., Ltd.

2 yrs on Sinoali.com

Located in China

Company information More goods

Company Profile

Xinpeng Color Coating Co., Ltd. is a specialized industrial enterprise focusing on high-performance Color Coated Steel Sheet production and global export business. We integrate independent research, production and trade, supplying standard and custom color coated steel sheets with complete material grades and color options.

Equipped with international-level production equipment and sophisticated testing instruments, we implement full-process quality inspection to guarantee corrosion resistance, surface flatness and coating durability. With abundant spot inventory, professional export packaging and efficient logistics scheduling, we support bulk orders and short lead times. Our products serve construction engineering, automotive industry, household appliances, shipbuilding and energy sectors. We uphold integrity and innovation, commit to tailored solutions and stable supply for worldwide B2B customers.