The Kingspan KoolDuct System is UL Listed as a Class 1 Air Duct, to a Standard for Safety UL 181 (Underwriters Laboratories: Factory Made Air Ducts & Air Connections, when fabr
The Kingspan KoolDuct System is UL Listed as a Class 1 Air Duct, to a Standard for Safety UL 181 (Underwriters Laboratories: Factory Made Air Ducts & Air Connections, when fabr