WMA Updates Its Rating System for Doors
May 29th, 2015
The World Millwork Alliance (WMA) is revising a rule in order to rate doors better. It will formally be known as “WMA Revision BSR/AMD 100-201x, Structural Performance Ratings of Side-Hinged Exterior Door Systems and Procedures for Component Substitution (revision of ANSI/AMD 100-2013)” (or AMD 100 for short). The rule will provide door pre-hangers and distributors a way to […]