Application fields of special extruded board for cold storage

　　Application fields of special extruded board for cold storage.　

　1. Wall insulation, used for building exterior walls and roofs.　

　2. The cold storage building adopts cold storage insulation.　

　3. Foundation waterproof, used for expressway, airport runway, etc. To prevent leakage.　

　4. Floor heating laying is used for floor heating installation and thermal insulation in family decoration.