Description Dome washers are designed for use with 12g roofing screws to provide a water tight seal. They are made from EPDM rubber (1000/box). Features: 22mm washers are typically used for polycarbonate roofing, while 32mm washers are more commonly used for fiberglass roofing Made from EPDM rubber for resistance to weathering in tough, Australian conditions An economical solution when compared with pre-assembled roofing screws Dome washers – quick reference Code Size Specs Colour Qty SEALY120022 22mm, for 12g screws EPDM grey 1000 SEALY120032 32mm, for 12g screws EPDM grey 1000
