AAMA releases updated voluntary specification for multi-bar hinges in window applications
from American Architectural Manufacturers Association
The American Architectural Manufacturers Association has updated and released
AAMA 904, Voluntary Specification for Multi-Bar Hinges in Window Applications
. Last updated in 2009, the document describes methods of test, procedures, materials and performance criteria for determining the durability of this type of hinge used for opening and closing casement, projected and parallel opening windows.
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