TRUFAST® now offers the Twin Loc-Nail for attachment of base sheet, recovery board and insulation to lightweight insulating concrete, structural wood fiber and poured gypsum. Precision formed from coated steel to prevent corrosion. The tube is shaped to easily penetrate decking and existing membranes. Twin Loc-Nails maintain Factory Mutual and Miami-Dade County Approvals. The fasteners and accessories are 100-percent American made. For more information, call 800-443-9602 or visit www.trufast.com.