Double Roman Concrete Roof Tile

The iconic and unmistakable Double Roman profile is still an ever-present across the roofs of the UK: a classic profile for meeting planning requirements
22.5° minimum pitch available for smooth finish tiles.
 
Size of Tile
420mm x 330mm
Minimum Pitch
25° Smooth (75mm headlap)
30° Granular (75mm headlap)
22.5° Smooth (100mm headlap)
Maximum Pitch
90°
Minimum Headlap
75mm (pitch and surface dependent)
Maximum Gauge
345mm
Cover Width
300mm (nominal)
Covering Capacity
9.7 tiles /m² at 75mm headlap
10.4 tiles /m² at 100mm headlap
Weight of Tiling
44kg/m² (0.43 Kn/m²) at 75mm headlap
47kg/m² (0.46 Kn/m²) at 100mm headlap
Battens Required
2.9 lin.m/m² at 75mm headlap
3.1 lin.m/m² at 100mm headlap
Batten Size Recommended
38x 25mm for rafters/supports not exceeding 450mm centres
50 x 25mm for rafters/supports not exceeding 600mm centres 
Tile Nails
65mm x 3.35mm
Fixing Clips 
Eaves, Verges and Tile Clips 
Hanging length
397mm (nominal)