SPRI to Revise WD-1 Wind Design Standard

The trade group SPRI, which represents the interests of sheet membrane and component suppliers to the commercial roofing industry, announced last Friday plans to revise ANSI/SPRI WD-1 “Wind Design Standard Practice for Roofing Assemblies” and canvass the document for re-approval as an American National Standard.  In a July 5 news release, SPRI said that ANSI/SPRI