SFS intec, Wyomissing, Pa., offers the K-Fast fastener and batten bar with Sentri coating for reinforced EPDM systems. The fasteners are Factory Mutual approved for attachment of minimum .045 reinforced EPDM membrane to minimum 22-gauge roof deck through a special AZ50 Galvalume batten bar. Fastener spacing 12 inches on center for a class 1-90 FM approval. Sentri coating exceeds Factory Mutual Standard 4470.