Our panel insulation includes:
- HCFC free Class 1 fire rated polyurethane foam core, UL-723, <=25 flame spread and smoke developed <=450, in accordance with ASTM E84
- K factor of foam is .125
- Insulation contains 97% closed cell structure with an average of 2 pounds per cubic foot density and conforms to international standards for ozone depletion contribution
R-values:
- R-28 for 3 ½” thick panels
- R-32 for 4” thick panels
- R-40 for 5” thick panels
- R-48 for 6” thick panels