Firestone All-Purpose Fasteners are used in roofing applications for the attachment of roofing insulation and base sheets in combination with Firestone Insulation Plates and attachment of Firestone Batten Strips, Seam Plates, Termination Bars, and other accessories to steel and wood substrates where approved by Firestone Technical Specifications. The Firestone All-Purpose Fastener is Factory Mutual (FM) approved. *NOTE: Firestone is not responsible for, nor guarantees that the white coating will remain on the fastener during or after installation. Because the coating on Firestone white fasteners is removed to some degree during the installation process, Firestone suggests that 1) the building owner be made aware of the expectations of the white fasteners and that repainting of the deck may be required after roofing is complete or 2) any deck painting take place after the roof is installed. In this case, any color of screw will work.