Construction asphalt felt paper is a building material made from animal hair or plant fibers, which is soaked in asphalt and made from felt or thick paper blanks. It has the characteristics of impermeability and toughness, and is usually used as a waterproof and moisture-proof layer for roofs, foundations, basement walls, etc. Oil felt paper is also a general term for asphalt waterproofing membranes, which can be made into various types and specifications of products according to different materials and processes.

Asphalt glass cloth and felt combine the characteristics of glass fiber and asphalt, and have excellent waterproof, moisture-proof, corrosion-resistant, high-temperature and other properties. Asphalt glass cloth felt is mainly composed of glass fibers and asphalt. Glass fiber, as a reinforcing material, provides the strength and stability of the material; And asphalt serves as a binder and waterproof layer, ensuring the waterproof performance of the material.