Products / SFS Dekspike Structural Concrete Roof Anchor

The Dekspike (SPK-#14) is a drive anchor for attaching insulation and membrane to structural concrete roof decks. It has a 1/2 in. mushroom head, compresses at three contact points to match the tolerance of the drilled hole, and carries a cathodic epoxy e-coat; it is listed in lengths from 1-1/4 in. to 14 in. The data sheet prints 15/15 Kesternich cycles per FM 4470 and 800 hours of salt spray per ASTM B117, with pull-out values tabulated for 2000, 3000 and 4000 psi concrete.