Products / TRUFAST FM Series Base Sheet Fasteners

TRUFAST FM Series base sheet fasteners are low-profile, driven fasteners for securing roofing base sheets to lightweight insulating concrete and gypsum decks. Each has dual rectangular gripping legs of polymer-coated steel integrally locked to a rib-reinforced 2.7 in. cap; as it is driven like a nail, the legs diverge and cut a wedge of deck material that anchors it in its own hole with no pre-drilling. The line comprises the 1.2 in. FM-75 and the 1.7 in. FM-90, and the FM-90 data sheet states it meets FM 4470 and lists FM Global, Miami-Dade County and Underwriters Laboratories listings.