Designed to seal under screw or nail heads in roofing applications. It blends a galvanized steel disc with an EVA foam gasket for effective waterproof sealing. Highly elastic and durable—provides a tight, reliable seal between roofing fasteners and sheeting. Protects the foam from UV degradation and ensures retention of seal integrity. Prevents water ingress at fastener points—crucial for maintaining roof integrity. EVA material holds up well under sun exposure and varied climates.
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