Customizable Color Coated Corrugated Roofing Steel Sheets - China Suppliers & Factory, ASTM Quality for Diverse Applications
Roof corrugated sheets are ribbed, profiled roofing materials crafted from galvanized steel, color-coated steel, or aluminum alloy (core grades including SGCC galvanized steel, Q235 carbon steel, and 3003 aluminum alloy). Their signature wavy profile boosts structural rigidity, while surface treatments like hot-dip galvanizing, PVDF coating, or anodizing enhance weather resistance, with thicknesses ranging 0.3–1.2mm, standard widths 900–1200mm, and customizable lengths for tailored roofing projects.
Their core advantages are well-suited for roofing needs: the corrugated design delivers exceptional load-bearing capacity to withstand snow and wind loads; galvanized or coated surfaces provide strong waterproofing and corrosion resistance for long-term outdoor use; they are lightweight yet robust, simplifying transportation and installation; and they offer cost-effectiveness compared to traditional tile roofing, balancing performance and budget for diverse building types.
- 🏭 Industrial Use: Top choice for workshops, logistics warehouses, and factory roofs due to high durability.
- 🏠 Residential Use: Ideal for rural residential roofs, agricultural sheds, and temporary construction shelters.
- 🏪 Commercial Use: Used for retail store awnings and community facility roofs with low maintenance demands.
- 🔧 Easy Installation: Self-tapping screws with waterproof washers; sealant at overlaps prevents water seepage.
- 🛡️ Long-Term Performance: Proper care ensures consistent performance for 15–20 years.
- 🧹 Easy Maintenance: Clean with neutral detergent; inspect fasteners quarterly; touch up coatings promptly.
Prior to installation, sheets must be inspected for surface defects and cut to required sizes. Outdoor installations need to reserve thermal expansion gaps to avoid deformation from temperature fluctuations, while roof slopes should be designed to ensure smooth rainwater drainage.
In use, avoid placing heavy or sharp objects directly on the sheets to prevent dents or coating damage; coastal or industrial areas require additional checks for salt spray or chemical corrosion. Store unused sheets in dry, ventilated areas to prevent rust.
| Product Name | Corrugated Roofing |
| Material Grade | SGCC, SGCH, G550, DX51D, DX52D, DX53D, Q195, Q235, etc. |
| Standard | GB, JIS, ASTM, BS, DIN, ISO... |
| Thickness | 0.12 – 0.6 mm |
| Zinc Coating | 40 – 275 g/m² |
| Colour Coating | All RAL Cards Color |
| Width |
762mm / 680, 670, 660, 655, 650mm — 9 waves 914mm / 815, 810, 790, 780mm — 11 waves 1000mm / 930, 915, 910, 905, 900, 880, 875mm — 12 or 14 waves |
| Length | 1.8 – 12 meters or as client's request |
| Surface Treatment |
1. Galvanized 2. PVC, Black and color painting 3. Transparent oil, anti-rust oil 4. According to client's requirement |
| Application | Construction field, household appliances, automobiles, ship building industry, boiler heat exchanger, petroleum chemical industries, electricity industries, food processing and medical industry, machinery and hardware fields. |
| Trade Terms | EXW, FOB, CIF, CFR |
| Loading Port | Shanghai Port, Tianjin Port, Qingdao Port |
| Payment Terms | 1) 30% deposit by T/T, the balance against copy of B/L by T/T. |
| 2) 30% deposit by T/T, the balance by L/C at sight. | |
| 3) 100% L/C at sight. | |
| MOQ | 1 Ton |
| Packing Detail | Export packing standard: Waterproof paper and steel strip packed. Covered with a layer of plastic film and cardboard, packed on wooden pallets, bound with iron belt, loaded in containers. |
| Delivery Time |
1. Usually within 10–20 days after receiving deposit or LC. 2. According to the order quantity. |
| Samples | Free samples are provided but the freight is borne by the buyer. |
