Ziel-Plast Plastic Insulation Washers 60mm (Box of 100)

For fixing the outer layer of thermal insulation materials to timber, OSB boards or sheet metal substrates with an appropriate screw. Large Surface Area - increased surface area for improved hold of softer materials. Impact Resistant - made from rigid polypropylene (PP) for a high strength and reliable fixing. Versatile - can be surface or recess fitted when used with 67mm cutter and styrofoam discs. And compatible with the installation fixing washer (TDW110). Masking Plug - eliminates thermal bridging and ensures an aesthetic finish.