Products / TRUFAST 1/4 in. Concrete Roofing Fastener

The TRUFAST 1/4 in. Concrete Fastener is a one-piece, vibration-resistant drive anchor for fastening insulation, single-ply membrane, wood and steel to structural concrete roof decks; an S-shaped working end forms its expansion mechanism. It is made of AISI 1038 carbon steel with a Tru-Kote epoxy e-coat and a 0.500 in. head, is listed in 23 lengths from 1-1/4 in. to 16 in., and the product page lists it as FM Global approved.