Customizable Color Coated Corrugated Roofing Steel Sheets from China Suppliers & Factory - Durable & Cost-Effective Solutions
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.
- 🏗️Exceptional Load-Bearing: Corrugated design withstands heavy snow and wind loads with superior structural rigidity.
- 🛡️Waterproof & Corrosion Resistant: Galvanized or coated surfaces ensure long-term outdoor durability.
- ⚡Lightweight & Easy Install: Simplifies transportation and on-site installation significantly.
- 💰Cost-Effective: Outperforms traditional tile roofing in both performance and budget balance.
Applications span multiple construction scenarios: they are the top choice for industrial workshops, logistics warehouses, and factory roofs due to their high durability; they also suit rural residential roofs, agricultural sheds, and temporary construction site shelters for quick deployment; in commercial settings, they are used for retail store awnings and community facility roofs, merging functional protection with low maintenance demands.
Prior to installation, sheets must be inspected for surface defects and cut to required sizes. Fixing methods include self-tapping screws with waterproof washers for secure attachment, and sealant applied at overlaps and joints to prevent water seepage. 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. Daily maintenance is straightforward: clean with neutral detergent to remove dust and debris, touch up chipped coatings with matching paint promptly, and inspect fasteners and seals quarterly for loosening or cracks. Store unused sheets in dry, ventilated areas to prevent rust, ensuring consistent performance for 15–20 years with proper care.
| 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 |
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. |
