Product Features of Polyethylene Closed-Cell Foam Board: 1. Low density, light weight, high tensile strength, with a honeycomb-like evenly distributed pore structure. 2. Surface

Low water absorption, excellent waterproofing performance. Replaces traditional materials such as three-oil four-felt, asphalt wood shingles, etc. 3. Acid, alkali, salt, oil resistance 4. High temperature resistance

Non-dripping; does not crack at low temperatures. 5. Easy installation; waterproof and leakproof.