Three different types of fire doors

Many every household now the installation of fire doors, into the insurance plus the daily life, not only in the family, as some large shopping malls, office buildings, etc. have been the device of fire doors.

Steel: is done in the steel material is based on frames, frame and panels, and other filling materials, is also non-toxic and harmless, the most important Road fire heat-resistant features.

Wood and Defense: is flame retardant timber production, door frames, skeleton, panels and other filling materials, this material is nontoxic and harmless, the most important function of the Road fire heat-resistant.

Steel wood: is flame retardant wood and steel materials, nontoxic, fire heat-resistant, fire resistance of fire doors.

(Source: fire rolling shutter doors , http://www.shdayu.net )

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