smoke barrier doors

RELATED FAQS

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Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions.  Single or multi-point hold open closers Utilize an electromechanical closer. Hold the door o...
Intumescent seals or gaskets are not required on fire rated steel doors. Generally speaking, the requirement for intumescent seals or gaskets are a function of the individual manufacturers’ listi...
The 20 minute Fire Rating is a valid label and are commonly referred to as "Smoke and Draft control door assemblies". Depending on the local fire code and the openings's applica...
 Pneumatic Automatic Operators are used in areas where electrically operated devices are not convenient or permitted.  Consists of a modified, heavy-duty door closer for manual oper...
ASTM E-119 is a test standard for walls, partitions and floor or roof systems: This test standard is also used for ceramic type glasses when used as window wall and/or borrowed light frames. ...
An Astragal is an applied molding attached most commonly to the meeting edge of doors to: Protection against weather conditions Minimize the passage of light between the doors Retard the passa...
The square block is probably the springcage assembly, L283-040.  This component has an internal spring to keep the lever in the horizontal position.