Roofing materials

1. Color-coated steel panels: Lightweight, high-strength, corrosion-resistant, heat-insulating, and easy to install, suitable for industrial and public building roofs. 2. Asphalt shingles: Waterproof, colorful, and suitable for a variety of roofing applications, commonly used on residential roofs. 3. Concrete slabs: Strong, durable, fireproof, and earthquake-resistant, require reinforcement and are often used on large building roofs.