Minimum roof pitch	25° at 75 mm headlap 22.5° at 90 mm headlap
Headlap (minimum)	75 mm at 25° roof pitch 90 mm at 22.5° roof pitch
Headlap (maximum)	120 mm
Batten spacing at maximum gauge	202 mm at 75 mm headlap 195 mm at 90 mm headlap
Batten spacing at minimum gauge	180 mm
Size of tile	480 x 280 mm
Covering capacity at maximum gauge	17.7 tiles per m² at 75 mm headlap 18.3 per m² at 90 mm headlap
Cover width	280 mm
Weight as laid	74.3 kg per m² at 75 mm headlap 76.9 per m² at 90 mm headlap
Weight per 1000	4.2 tonnes
Weight per tile	4.2 kg
Weight per pallet (including pallet & packaging)	0.7 tonnes
Quantity per pallet	160
Battens per m²	4.95 m at 75 mm headlap 5.13 m at 90 mm headlap
Batten size - up to 600 mm rafter centres	50 x 25 mm
Nail type/size for slates	38 x 3.35 mm aluminium alloy
Nail type/size for tile clips	N/A

Note: Unless otherwise stated, data is based on slates laid at minimum headlap

Pennine Major 480 x 420 - Technical Data

Minimum roof pitch	25° at 75 mm headlap 22.5° at 90 mm headlap
Headlap (minimum)	75 mm at 25° roof pitch 90 mm at 22.5 roof pitch
Headlap (maximum)	120 mm
Batten spacing at maximum gauge	202 mm at 75mm headlap 195 mm at 90 mm headlap
Batten spacing at minimum gauge	180 mm
Size of tile	480 x 420 mm
Covering capacity at maximum gauge	11.8 tiles per m² at 75 mm headlap 12.2 tiles per m² at 90 mm headlap
Cover width	420 mm
Weight as laid	79.2 kg per m² at 75mm headlap 82.1 kg per m² at 90 mm headlap
Weight per 1000	6.7 tonnes
Weight per tile	6.7 kg
Weight per pallet (including pallet and packaging)	0.7 tonnes
Quantity per pallet	106
Battens per m²	4.95 m at 75 mm headlap 5.13 m at 90 mm headlap
Batten size - up to 600 mm rafter centres	50 x 25 mm
Nail type/size for slates	38 x 3.35 mm aluminium alloy
Nail type/size for tile clips	N/A

Note: Unless otherwise stated, data is based on slates laid at minimum headlap

For projects where the rafters are below the minimum recommended roof pitch, please contact our Technical Department for advice.

Tile Fixing

Sandtoft roof slates must be laid and fixed to comply with BS 5534: the British Standard Code of practice for slating and tiling, and BS 8000: Part 6: the British Standard Code of practice for workmanship on building sites.

To ensure compliance with these Standards we strongly recommend that either the recommendations given in the Sandtoft Zonal Method User’s Guide and Zonal tables must be followed where available or a calculated fixing specification must be obtained using Sandtoft’s Fixing SPEC service.

For further information go to Fixing SPEC or contact Sandtoft Technical Support on 0870 145 2021

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