Is a robust sealing component specifically engineered for roofing and cladding applications. Designed with a strong metal washer bonded to a EVA (Ethylene Vinyl Acetate) layer and an outer diameter. It ensures a secure, watertight seal when used with roofing screws. This washer helps distribute the load of the fastener, minimizes the risk of leaks, and cushions the contact point between the screw and roofing sheet.
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