DOOR INSULATION
These Models utilize 26-gauge exterior and 27-gauge interior steel
skins injected with CFC free urethane insulation. The thermally-broken tongue
and groove section joint includes a continuous weather seal offering
exceptional protection from the elements.
2216 R-value* - 17.19
4216 R-value* - 17.19
2217 R-value* - 17.54