allowable gaps around fire rate doors

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The Von Duprin Guard-X exit device is not fire rated because the deadbolt is not spring loaded. Therefore, there would be no positive latching as required on a fire rated opening. 
The 3130 Series closer is UL listed- Fire Rated (UL-10C) for up to 3 Hr.The Door and Frame Manufacturer needs to be contacted to verify their Door/Frame rating would not be compromised wh...
High Definition (High Def) door panel designs have deeper shadow lines than conventional CE-Series designs. CE-Series doors are available with optional High Definition (HD2 and HD2A) door panel de...
Yes, Steelcraft doors and/or frames are available and can carry a UL, WH or FM label. The type of fire label (UL, WH or FM) is dictated by the specifications and local building code. Doors ...
Dutch doors are available as Fire Rated door assemblies and have similar component requirements as a single leaf fire door. Exceptions are as follows: The Dutch Door assembly must have a lock...