The use of nails or tile clips can be determined by obtaining a FixMaster specification. Please note, this product is also suitable for the Stonewold MK2NailingIf Renown and 49 Tiles must be nailed, use 50mm x 3 mm aluminium alloy nails.Tile ClipsIf tiles must be clipped, use proprietary aluminium alloy clips fixed with 60 x 3.35 mm aluminium alloy nails.Tile clips for Cathedral and Old Hollow Clay Pantiles do not require nails.Eaves ClipsIf tiles must be clipped at the eaves, use proprietary aluminium alloy clips fixed with 5mm x 3mm aluminium alloy nails.Verge ClipsIf tiles must be clipped at the verge or either side of roof windows, use proprietary stainless steel clips fixed with 25mm x 2.65 mm galvanised clout nails.