Drip Edge, Metal Roof Flashing, Aluminum Soffit manufacturer / supplier in China, offering 48in. X250FT. Reinforced Self-Adhered Roofing Breathable Waterproofing Underlayment, 4FT Weight X 250FT Length 3kg Weight Waterproof Underlayment for Roof Protection, Walls & Ceilings High-Temperature Roofing Waterproof Underlayment and so on.