The Rosemary name is synonymous with clay plain tiles, adding distinction and character to pitched roofs for over 175 years. Today, a range of single and cross-camber tiles combine the quality of hand-crafted clay with the reliability of modern machine-made techniques. Produced from the finest clays, Rosemary is offered in a range of weathered, brindled and single colours that create striking and attractive roofs. The latest addition to the range is the Heather Brindle, an orange sanded tile, with distinct purple brindling to create strikingly attractive roofs. 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 / batten spacing: 88mm. Minimum gauge / batten spacing: 100mm 65mm below 90. 115mm at 90. Tile thickness: 13mm. Hanging length: 255mm approximately. Coverage: 60 tiles/m2 below 90. 52 tiles/m2 at 90. Weight: 1.3 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 - aluminium alloy nails. Tile finish: smooth finish. Tile profile: plain tile. Certification BBA certified. Rosemary Clay Classic Plain Tiles conform to BS EN 1304: 2013 Clay roofing tiles and fittings - Product definitions and specifications.