Features ๐ Large Surface Area โ Provides improved hold and stability when fixing softer thermal insulation materials. ๐ช Impact Resistant โ Made from rigid polypropylene (PP) for strong, reliable performance under pressure. โ๏ธ Versatile Installation โ Suitable for surface or recess fitting with 67mm cutter and styrofoam discs; compatible with TDW110 fixing washer. ๐จ Masking Plug Included โ Eliminates thermal bridging and ensures a neat, aesthetic finish. ๐ง Easy Fixing โ Ideal for securing insulation to timber, OSB boards, or sheet metal substrates using appropriate screws. Description The Ziel-Plast Plastic Insulation Washers are designed to provide secure and reliable fixings for thermal insulation materials. Their large surface area ensures maximum grip on softer insulation, while the impact-resistant polypropylene construction delivers strength and durability. These washers are highly versatile, allowing both surface and recess mounting with 67mm cutters and styrofoam discs, and are compatible with TDW110 fixing washers for enhanced performance. The integrated masking plug reduces thermal bridging and creates a clean, professional finish for both domestic and commercial insulation installations.