Updated Industry Standard Published for Installation of Windows with Mounting Flanges

The Fenestration and Glazing Industry Alliance (FGIA) and the Window & Door Manufacturers Association (WDMA) announce the publication of the 2026 edition of AAMA/WDMA 100,Standard Practice for the Installation of Windows with Mounting Flanges for Membrane Drainage Systems in New Construction Applications. As the first in a series of installation standards to be jointly published by the two organizations, AAMA/WDMA 100 represents a milestone in industry collaboration while providing an updated consensus-based guide for the installation of windows with mounting flanges in membrane drainage wall systems used in new construction. The standard was last revised in 2012 by AAMA and FMA and is now available for purchase through the online stores of both associations.