Description A classic interlocking concrete tile with a distinctive Roman profile, boasting a gentle roll and subtle pans. It is available in a wide range of colours, including the new Rustic Red, to blend harmoniously with any environment. Once installed, these tiles create the look of a classic, clay double roman roof with the added advantage of being compatible with a wide range of fittings and accessories. A PV tile is also available with this profile. Read more here. Authority 50 Double Roman Tiles conform to BS EN 490: 2011 Concrete roofing tiles and fittings for roof covering and wall cladding - Product Specifications. Performance Redland 50 Double Roman Tiles have been rigorously tested in the Group wind tunnel where combinations of high wind and driving rain are used to determine the tile performance with respect to wind loading and weathertightness. Tiles will meet all the requirements of BS 5534: 2014 Code of practice for slating and tiling (including shingles), providing Redland fixing recommendations are complied with.