Sealing Washers

Sealing washers are concave washers with a rubber underside, which creates a watertight seal around the fastener and fastener hole. Click below to learn more about the sealing washers Minerallac offers.

Part Number: 40410

#10 SEALING WASHER

Part Number: 40412

#12 SEALING WASHER

Part Number: 40414

1/4 SEALING WASHER