AAMA releases voluntary specification

The American Architectural Manufacturers Association, Schaumburg, Ill., releasedAAMA 904-09, a voluntary specification for multibar hinges in window applications, according to a Nov. 4 release. The document, titled Voluntary Specification for Multi-Bar Hinges in Window Applications, addresses procedures, materials and performance criteria for determining the durability of multibar hinges used for opening and closing casement, projected and parallel opening windows. This document originally published in 2001, has been revised, and now includes a new section on parallel hinge testing. Other revisions to the document are the inclusion of illustrations of test units, as well as additions made to the scope of the document. Other minor editorial changes were made.The AAMA 904 Hinge Task Group, chaired by Doug Johnson of Truth Hardware Corp., developed the specification. "A multibar hinge is a mechanical device which, when mounted in accordance with manufacturer's instructions is used to support a variety of in-plane sash types, such as parallel opening, meaning four sides of sash opening outward," Johnson said in the release. "In the revision of AAMA 904, information on testing for parallel hinges in window applications has been added, included a load test and a cycling test."The specification is available to members at a cost of $10 for download, $20 for paper copy and $25 for CD. Non-members may purchase the document at a cost of $25 for download, $50 for paper copy and $55 for CD. To order AAMA 904-09, visit the AAMA Online Publication Store.