A concrete plain tile featuring variation in hanging length, irregular sides and subtle surface texturing finished with randomly applied fine sands which combine to create all the visual features of a handmade clay tile but at a fraction of the cost. The range of colours has been carefully developed to offer real alternatives to the leading handmade clay tiles in the market. And, as well as the quality, cost saving and aesthetic benefits, Heathland tiles embody far less CO2 than their clay tile equivalents, good looks that cost you and the environment less. Properties Size: 265mm x 165mm. Minimum pitch: 35. Maximum pitch: 90 - subject to fixing specification. Minimum headlap: 65mm below 90. 35mm at 90. Maximum headlap: 88mm. Minimum gauge: 88mm. Maximum gauge: 100mm below 90. 115mm at 90. Tile thickness: 12mm. Coverage: 60 tiles/m2 below 90. 52 tiles/m2 at 90. Weight: 1.25 tonnes/1000. Batten size: 38mm x 25mm - rafter centres up to 600mm. Battens required: 10m/m2 below 90. 8.7m/m2 at 90. Nail size: 40mm x 2.65mm. Tile finish: sanded finish. Certification BBA certified.