Fasteners improve roof windstorm ratings
XHD fasteners plus a 2 3/8-in. barbed metal seam plate combine to create the industry's leading Factory Mutual windstorm classifications for mechanically attached roofing. New ratings include FM 1-60, 1-90, 1-120, 1-135, 1-150, and 1-195.
By Staff
03/01/1998
XHD fasteners plus a 2 3/8-in. barbed metal seam plate combine to create the industry's leading Factory Mutual windstorm classifications for mechanically attached roofing. New ratings include FM 1-60, 1-90, 1-120, 1-135, 1-150, and 1-195. New, higher fully adhered roofing windstorm classifications include FM-90, 1-105, 1-180, and 1-270.
Stevens Roofing
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