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“ windborne debris impact ”

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What is the difference between the L-Series and H-Series doors?
The L-Series doors are designed for virtually all construction requirements in commercial building applications. They have also been tested and approved for uniform wind load per ASTM E330.  ...
Is there a conversion kit to make 94/95 devices into a QEL?
Kits are available per the following criteria.    Product Bulletin Required Series 94 or 95 Fire or Panic 3FT/4FT or 2 ft 6 in / 2 ft 10 in Finish  Optional LX...
Exit Device Backsets
Backset dimensions will vary depending on the device, application and the opening configuration. If you have questions on specific device backsets, please e-mail your request (including a descripti...
What would cause my 4600 (4630/4640) Series operator to keep trying to open and squeal after opening to 90 degrees?
       "Opening Force" adjustment could be set to strong (high).  This adjustment is a turn pot adjustment which can be found on the controller.  Try adjusti...
What would cause a key to get stuck in a cylinder?
Check the following: Debris in the cylinder The cylinder cap could be too loose Incorrect pinning of the cylinder The cylinder plug is not returned to the neutral position with the cylinder s...
Are ND locks available in 629 or 630 finishes?
The AL and ND locks are not available in any stainless steel finishes.  The only option is either the 626 satin chrome or 625 bright chrome.
What is the Multi Point LM9300 Series?
MultiPoint locks are three-point locking systems that secure the door at three points – top, bottom, and traditional center latch location. Operating just like traditional locks, MultiPoint locks a...