Forgefix builders galvanised fixing band forgefix gb20 this forgefix fixing band is a heavy duty flexible and strong band which is easy to cut and bend the band has pre punched holes for fixing bolts and screws and is made from galvanised steel for protection against corrosion supplied in 10 metre rolls ideal for fixing supporting joists and many more superficial installations can be used with screws and galvanised twist nails galvanisation is process of applying a protective zinc coa