Insulated Core Options:
Steelcraft L-Series doors are available with the following 2 optional insulated cores:
Polystyrene slab - this core is available in non fire rated and fire rated doors...
The five most common cores are honeycomb, polystyrene, polyurethane, steel stiffened, and temperature rise.
Honeycomb core doors are used for interior and exterior openings where high thermal...
The Von Duprin 1609 cannot be used on a pair of fire rated doors. We recommend using the Von Duprin fire rated mortise exit device in lieu of the rim device such as the Von Duprin 5575-F,...