Providing Security For Your Facility, They Also Keep Out
January 18th, 2010
Look for professional quality door closers that have been evaluated and authorized under ANSI Standard A156.4, grade one. You would like a Door Closers that closes soundly and can resist unexpected, unceasing use in the event of fire. The best closers for fire doors are UL and cUL listed. You might also want to think about special, electrical sensor fire door closers that hold the door open till current interruption releases the holding mechanism and the door closes. One or two factors must be considered when selecting door closers : size of the door, function of the door, level of use, and whether or not it’s an internal or external door. Makers generally describe these openers as OK for low to moderate traffic.
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