QWORK® 100 Pcs Plastic Insulation Washers 46mm Heavy Duty Polypropylene Fixing Discs for Foam Backer Boards, Rigid Panels & Polystyrene Perforated Flat Screws

SECURE LOAD DISTRIBUTION: These 46mm diameter washers provide an expanded surface area to securely hold soft insulation panels in place, effectively preventing screw heads from pulling through or damaging boards. TOUGH POLYPROPYLENE CONSTRUCTION: Engineered from reinforced Polypropylene, these fixing discs are resistant to most chemicals and acids, ensuring long-term structural stability in various building environments. VERSATILE BUILDING SOLUTIONS: Ideal for securing rigid foam, mineral wool, expanded polystyrene, and extruded polystyrene to masonry, wood, or metal studwork during renovation or construction. EASY TO INSTALL:Simply fix it with screws or nails (not included). The convex design ensures the washer is more securely fixed to the insulation board. BULK 100-PIECE PACK: Includes 100 white plastic washers, providing an ample supply for fixing insulation sheets, blankets, or underfloor heating panels in domestic and commercial projects.