Versico's Insultite Insulation Fastener is used in conjunction with Versico's 3" (76 mm) Insulation Plate for insulation attachment in VersiGard®, VersiFlex™, and VersiWeld® mechanically attached and fully adhered roofing systems. Insultite Insulation Fasteners are compatible with wood and steel decks. The Insultite Insulation Fastener features a buttress thread design for high pull-out and back-out resistance and an extra-sharp space point for quick installation.