Detailed Product Description 1. Excellent waterproof performance 2. Our worker will help seam the edge of the sheets. If the slope of the house is more than 4%, our corrugated steel sheet can endure poor weather condition without water leakage. 3. It can be bonded to various thermal insulating materials and non-thermal insulating materials. Its length can be determined as per personal needs. To eliminate the possibility of leaking rain, overlap lengthways is avoided. 4. Materials as prepainted steel sheets, galvanized steel sheets, galvalume (Al-Zn coated sheets) are available to make corrugated sheet. 4. It has handsome appearance and excellent anticorrosion performance. It is fixed with fastening screw so it can endure the impact of hot expansion. 5. Uses: Widely used in roofing, wall decoration and interior or exterior decorative material.