Rodenhouse Inc is the Industry leader in manufacturing fasteners to attach continuous rigid insulation, building wrap, EIFS, stucco, and other construction applications. Since 1993 Rodenhouse has been the leader in the manufacture of fastening systems for rigid insulation systems. Plasti-Grip® PMF Plastic Masonry Fastener or foam fastener washer, is a plastic nail used for fastening EPS foam in PB EIFS systems, rigid foam insulation, and waterproofing drainage fabric into concrete or masonry block applications. Thermal-Grip ci Prong Washer is designed for attaching rigid insulation, including polystyrene (XPS), polyisocyanurate (polyiso), expanded polystyrene (EPS) mineral wool and rock wool , etc. to walls.