Longer lasting and secure holding Pack of 50 nails with sealing washer for secure lowcost fixing of corrugated bitumen sheets. Features galvanised annular ring shank for strength rust resistance and secure fix with wide semicircular PE sealing washer to trap sheet securely. Part of the popular Gutta K10 corrugated roof system which provides excellent thermal and acoustic comfort whilst guaranteeing watertightness of renovation and new build projects. Features & Benefits Corrosion protection strong galvanised steel Strong holding power annular rings on shank Quick and easy fixing position over crest and hammer Colour matching colours as Gutta bitumen sheets Lowcost fitting secure fixing for tight budgets Gutta K10 offers high performance maintenancefree roofing for smaller coverings such as garden sheds canopies and pergolas plus larger ones like garages stables cabins and summerhouses. Technical Information Product Specification Measurement Value ...