Fire Rated Door Gasket

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Fire rated door gasket.

Fire rated doors are required in numerous areas of a commercial buildings. How to install smoke seals on a fire door. In commercial buildings in the united states fire rated doors require special gaskets to prevent smoke from getting through the opening during a fire. Wood and plastic covered composite doors rated up to and including 1 1 2 hours.

This zero 58fs door head and jamb protector prevents sound light air infiltration comes with psa backing to be used as a mortised door gasket and is designed to provide extra fire and smoke protection by utilizing intumescent t echnology. Intumescent seals or gaskets are not required on fire rated steel doors. Not all doors in a commercial building need to be fire rated. Category h gaskets for use with listed steel frames and or classified steel covered composite hollow metal doors rated up to and including 3 hours.

And wood core doors rated for 20 minutes without hose stream. Generally speaking the requirement for intumescent seals or gaskets are a function of the individual manufacturers listi. Smoke gaskets on fire doors must meet smoke and draft control requirements. Smoke seals are designed to accomplish this.

Vestibules that are part of a smokeproof enclosure horizontal exits and elevator lobby doors in occupant evacuation elevator shaft systems. Fire door gasket. Metal fire doors can attain ratings up to 3 hours where wood fire doors can be rated up to 90 minutes. For example nfpa 101 currently requires smoke leakage rated assemblies for new fire doors serving an area of refuge and requires compliance with nfpa 105 for new door assemblies in three locations.