RAL Color Color Coated Steel Plate for Metal Building
RAL Color Color Coated Steel Plate for Metal Building
RAL color coated steel plate, made from PPGI substrate. Available in standard widths and customizable thickness. PE coating provides good rust resistance for outdoor use. Widely applied for metal building roofing, wall siding and simple prefab structures. Cut to required sizes to fit your project needs.
- Mill Test Certificate Provided
- Strict Quality Inspection
- Custom Sizes Available
- On-Time Global Delivery
Our RAL color coated steel plate is PPGI prepainted galvanized steel, made for metal building projects. Base metal is hot-dip galvanized steel with protective zinc layer, then coated with PE paint on the surface. We supply standard widths and a wide range of thickness options, all available in different RAL colors to match your design.
This plate works great for metal roof panels, wall siding and prefabricated building exteriors. The coating resists rust and light weather exposure for regular outdoor applications. We can cut sheets to your requested dimensions, no minimum cut size for most orders.
All material meets common building steel standards. Samples are available upon request so you can check color and finish before bulk orders. Ideal for contractors, metal fabricators and prefab house builders looking for consistent color and reliable performance.
Product Features
| Item | Features |
|---|---|
| Base Material | PPGI prepainted hot-dip galvanized steel substrate, solid zinc layer for basic corrosion protection |
| Surface Finish | RAL standard color coating with PE paint, consistent color across batches |
| Dimension | Standard widths in stock; thickness 0.2–1.5mm, custom cut lengths available |
| Production | Continuous coil coating line, uniform paint adhesion without peeling easily |
| Application Fit | Made for metal building roofing, wall siding and prefab structure panels |
| Processing | Easy to cut, bend and form for on-site fabrication by metal contractors |
Product Applications
RAL color coated steel plate is commonly used in metal building work where color consistency, corrosion resistance and forming speed matter. The four main applications below cover typical contractor and prefab project use.
Metal Roofing Panels. Used for low-rise commercial buildings, warehouses and industrial roofs. The coated sheet is roll-formed into roof panels, then fixed to purlins to create a weathertight roof.

Wall Siding & Cladding. Applied to factory buildings, workshops and storage facilities. Color coated sheets provide a finished exterior surface, often installed horizontally or vertically on metal wall frames.

Prefabricated Building Exteriors. Used in prefab offices, modular buildings, container-style rooms and temporary site facilities. The light weight and uniform finish speed up assembly.

Steel Building Components. Suitable for fascia, soffit, trim, flashings and small structural enclosure parts. These products are bent or formed on project
requirements to match the main building system.

Frequently Asked Questions About RAL Color Color Coated Steel Plate for Metal Building
1. What base material is your RAL color coated steel plate?
It uses PPGI hot-dip galvanized steel as substrate. The zinc coating offers basic anti-rust performance before the top PE paint layer is applied.
2. Can I pick any RAL color for my order?
Most standard RAL colors are available. Uncommon shades may need a minimum order quantity and longer lead time.
3. What thickness and width options do you supply?
Thickness ranges from 0.2mm to 1.5mm. Standard widths are in stock. We can cut plates to your required lengths.
4. How long will the coating last outdoors?
PE coating works well for normal metal buildings. Expect many years of service life; harsh coastal environments will shorten paint lifespan.
5. Is this plate easy to cut and bend on site?
Yes. It can be cut, bent and formed by standard metal fabrication tools, suitable for contractor onsite processing.
6. Can I get samples before bulk purchase?
Small color and finish samples are available. Buyer covers the freight cost for sample delivery.






