The Classic Steel Garage Door Model 8300 has an impressive R-value of 11 using polyurethane foamed-in-place. The Classic Steel Garage Door Model 8500 is Wayne Dalton's highest insulated residental garage door with an impressive R-value of 14.8 using polyurethane foamed-in-place.
Buy model 8300 & 8500 wayne dalton steel garage door
Or contact the seller
in section "Metal garage gates"