honeycomb vs polystyrene

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Polystyrene Cores: The L-series door with polystyrene core insulation and the CE-series door have full slab polystyrene core.Polyurethane Cores: The L-series door with polyurethane core has honeyco...
No, steel stiffeners are not required in Hollow Metal doors, they are one of many optional core available. Per ANSI/SDI A250.8 and ANSI/HMMA 867, core construction are optional o...
Falcon SZ Series Door is the economy Steelcraft commercial grade door recommended light commercial applications when architectural specification are not needed. Options: The SZ-Series door is...
Yes. Multiple glass lights are available on specific door series as  a special option as noted below: L-Series and SL-Series: Core options - Standard honeycomb, polystyrene, polyurethane Lig...
Honeycomb, Polystyrene, Polyurethane, Mineral Board ; L-Series, SL-Series T-Series, CE-Series,
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...
Door cores are available as follows: L-Series SL-Series and A14-Series Doors: Honeycomb core is standard Polystyrene core is optional Polyurethane core is optional CE-Serie...
All doors are tested in accordance with ASTM C1363 and SDI 113:B18 Series (Steel Stiffeners)     U-Factor = 0.50     R-Value = 2.01B16 Series (Steel Sti...
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...