Carlisle's InsulFast Insulation Fastener is used in conjunction with Carlisle's 3" (76 mm) Insulation Plate for insulation attachment in Sure-Seal®, Sure-White®, Sure-Flex™, and Sure-Weld® mechanically fastened and fully adhered roofing systems. These fasteners are compatible with wood (minimum 15/32" (12 mm) CDX plywood) and steel decks (22-gauge (0.76 mm) or heavier). It also features a buttress thread design for high pull-out and back-out resistance and a drill point for quick deck penetration.