... wall panels Features:1. Heat and sound insulation. Temperature suitable for PU ranges from -200 centigrade to 150 centigrade.2. ... simple installationApplication:Steel house, suburban housing, villa, kindergarten, model house for apartment, ommercial building, remodeling of old structures, warehouse, steel ... 256510 Contact:Traci LeeCell:+86-18754326880 PU sandwich wall panels for cold room storage