Model 3730 Sectional Door
The Model 3730 is a three-layer steel sectional door for cold storage facilities or those in temperature-sensitive climates.
The door features an R-value of 22.2, CFC- and HCFC-free polyurethane insulation, and a continuous closed cell foam tape for additional weather resistance.
Manufacturer: Clopay
Web Site: www.clopaydoor.com/