- Size of Tile (overall) 420 x 330mm
- Minimum Pitch 22.5 degrees
- Maximum Pitch 90 degrees (subject to fixing specification)
- Headlap (minimum) 75mm above 25 degrees // 100mm at 25 degrees or below
- Gauge (maximum) 345mm
- Covering Width of one tile (nominal) 300mm
- Covering Capacity (Headlap 75 mm) 9.7 / sq metre
- Covering Capacity (Headlap 100mm) 10.4 / sq metreHanging Length (nominal) 400mmWeight per 1000 (approx) 5.0 tonnes
- Recommended Batten size (see BS 5534). Rafter centres at 600mm 50 x 25mm
- Recommended Nail size 60mm x 3.35mm