AAMA updates specification for vertical loading resistance of side-hinged doors

The American Architectural Manufacturers Association (AAMA) has updated and released AAMA 925-13, Specification for Determining the Vertical Loading Resistance of Side-Hinged Door Systems, which determines the ability of a side-hinged door system to remain operable following the application of a vertical load along the lock stile of the door leaf.    Through the life of a side-hinged door system, there may be several causes of an extraordinary vertical load to be applied to the door leaf.

The door loads in AAMA 925 are based upon the pullout values of hinge fasteners in wood, and the specification determines the effects of such loads when applied to a side-hinged door system. Although the deflection and permanent set results are not used in the qualification of the tested side hinged door system, these results are recorded for potential future use in AAMA 925.

“The revised version of AAMA 925 was made possible by contributions from task group members representing a cross-section of door component manufacturers and test laboratories,” says Mark Fortun (Endura Products), chair of AAMA’s Door Vertical Loading (AAMA 925) Task Group. “Changes enhance the clarity and flow of this test procedure and set the stage for a consistent means to evaluate the resistance of a side-hinged door assembly subjected to intentional high loading conditions.”

Among various editorial changes, AAMA 925 was updated from the 2007 document to include:

* Requirement for force-to-latch at the beginning of testing

* Minimum number of times testing will be conducted

* Repetition of force-to-latch measurements (as specified in Section 6.2)

* Updates to Section 7.6 to record the average force-to-latch measurement before and after loading

AAMA 925-13, along with other AAMA publications, may be purchased from AAMA’s Publication store, http://pubstore.aamanet.org/pubstore/ProductResults.asp?cat=0&src=925-13.

600450 AAMA updates specification for vertical loading resistance of side-hinged doors glassonweb.com
Date: 3 September 2013
Source: AAMA

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