Fire Rated Door Core Material

Fire rated door components it all starts with tectonite components our proven raw mineral core with some of the lowest heat transfer on the market and the only material fire rated in your choice of 60 90 or 120 minutes. Labeled fire doors control the spread of fire and smoke for up to 3 hours. Simpson offers thousands of choices for fire rated doors including 20 minute fire rated wood doors and mdf doors with fire ratings up to 90 minute.

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Mineral fire doors consist of the mineral core itself with lengths of firestop material used for stiles rails and blocking.

Fire rated door core material.

Honeycombed core this is where a honeycomb structure made from metal cardboard or a variety of other materials is used in the core of the door. Hollow metal is the only door material widely available with a 3 hour label. 20 45 60 90 minute or 3 hour label. It is relatively light in density at approximately 32 pounds per cubic foot.

It has excellent thermal properties and through bolting is allowed but it is not intended to provide screw holding capabilities. The first level of insulated door core is the polystyrene which is a slab of foam that is placed in the core of the door. E core is a versatile vermiculite based homogenous core that reduces manufacturing complexity and cost and has no known oh s issues. Hollow metal doorswith this core type are most often used at exterior openings and can be fire rated up to 3 hours.

Hollow core doors are usually purchased for two basic reasons. Metal fire doors are an economical alternative to wood fire doors when more than a 20 minute rating is required. Steel is the sole door material to deliver a 3 hour fire rating. There are currently more than 1 million e core fire doorsets in service.

It enables the door to be lighter stronger and have better fire resistance while also improving insulation and sound proofing. Firedefender mineral core material fills most of the space in the interior of a door. E core is manufactured into flush panel fire rated doors. Steelcraft s fire rating capabilities include the use of ceramic glass and special glazing compounds.

They weigh less and are expected to cost less than solid core. Fire ratings range from 20 minutes to 3 hours. The insulation value is much higher than the honeycomb but lower than the polyurethane. The available door thickness is a nominal 1 3 4.

Corrim has pioneered the development of fire doors for a variety of industries and applications in the pharmaceutical water treatment and industrial markets due to its noncorrosive characteristics. And since simpson fire doors have been designed to match other interior doors your fire rated doors will blend seamlessly with all doors in your home. Corrim company offers frp polyfire fire doors and frames available with 20 through 90 minute ul ratings.

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