The Metrotile Slate II profile is a product that offers incredible value and superior performance to traditional slate roof products in every way. Metrotile Slate II offers the same great aesthetics as traditional slate roof tiles while offering superior benefits. The Metrotile Slate profile is a product that offers incredible value and superior performance to traditional slate roof products in every way. Metrotile Slate offers the same great aesthetics as traditional slate roof tiles while offering superior benefits. The deep lines pressed into each Aluzinc® coated steel profile results in increased shadow definition, resulting in a tile that looks virtually indistinguishable from traditional slate, while simultaneously offering unmatched vandal and weather resistance. Available in .450mm and .900mm thickness and formed from high quality drawing grade 3 steel, like all Metrotile profiles, Metrotile Slate makes a perfect choice for a wide variety of roofing projects. Lightweight high grade steel with aluzinc coating for incredible strength and resistance. Comes with a 40 year weatherproof guarantee. Please note the Metrotile slate 2 requires a minimum batten size of 30mm x 50mm. Properties Minimum pitch: 10°. Maximum pitch: 90°. Overall size of tile: 1330mm x 370mm. Cover size of tile: 1257mm x 370mm. Gauge of Steel: .450mm. Linear cover width: 1257mm. Coverage: 0.46m2 or 2.15 tiles/m2. Weight per m²: 6.2kg. Weight per tile: 2.8kg. Tile fixings: 50mm x 2.8mm coated nail - hand nailing or power tool. Fixings per tile: 4x nails per tile. Battens: 5 linear metres per m2 (plus wastage). Rafter Centres (max): 450mm - 25mm x 50mm. 600mm - 25mm x 50mm. 900mm - 50mm x 50mm. 1200mm - 50mm x 50mm. 1500mm - 50mm x 65mm.