fire rated polystyrene door

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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...
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...
Non fire rated doors can be furnished with a maximum 3" diameter hole for viewer preparations. Fire rated doors have a 3/4" maximum holes size unless otherwise listed by UL or ITS/WHI. Viewers mus...
Astragals are required on: 3 hour fire rated pairs: Double doors - swinging in the same direction Double Egress - swinging in opposite directions Fire rated Dutch Doors Fire rated 1 3/4" t...
The Von Duprin 5100 electric strike is not for fire rated applications.
Raceway availability: Optional factory installed raceways are available in doors but are not available in frames. Preparation Info: Steelcraft installs a flexible 1/2" ID steel conduit through the...
Steelcraft L-Series and T-Series doors are available (as an option) factory prepared for the Von Duprin InPact exit device. 
There are several door manufacturers that have achieved a 90 minute UL Fire listing as shown. Von Duprin CVC with Marshfield Wood Door: Von Duprin is pleased to announce that Marshfield has s...
NON Fire Rated doors would use the 1609 strike applied to the inactive leaf with flushbolts.  This may NOT be used on Fire Rated openings.