STRENGTH AND ENERGY –EFFICIENCY
1½” thick 25 gauge H-340S series offer and R –value of 7.4,3 layer bonded construction with a hot dipped, galvanized, finished steel front and back enclosing a HCFC – free polystyrene core.
No matter which door suits your needs best, all H-340S doors are manufactured to the highest quality standards and come with thermally broken tongue and groove section joints as standard.
EENERGY-EFFICIENT POLYSTYRENE CORE
The H-340S series of doors offer enhanced energy effiency and sound dampening qualities.
The polystyrene insulation fills the top of the door channel for maximum insulation. With 2” thick sections, both series gives you an R value of 7.4.