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Technical - Gaelic

Gaelic Tile

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Technical Data

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Minimum roof pitch
30°
Headlap (minimum)
75 mm
Batten spacing at maximum gauge**
267 mm
Size of tile
342 x 255 mm
Covering capacity at maximum gauge
16.8 tiles per m²
Cover width
220 mm
Profile depth
43 mm
Hanging length
315 mm
Weight as laid
42.0 kg per m²
Weight per 1000
2.5 tonnes
Weight per tile
2.5 kg
Weight per pallet (including pallet/packaging)
0.7 tonnes
Quantity per pallet
260
Quantity per row/band
*see below
Quantity per layer
*see below
Battens per m²
3.7 m
Batten size - up to 450 mm rafter centres
38 x 25 mm
Batten size - up to 600 mm rafter centres
50 x 25 mm
Nail size/type for tiles
50 x 3.35 mm aluminium ring shank clout head
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Note:  Unless otherwise stated, data is based on tiles laid at minimum headlap.
 
Gaelic packs
Top row           2 x 44     = 88
Centre row      2 x 43     = 86        } 260
Bottom row      2 x 43     = 86
 
For projects where the rafters are below the minimum recommended roof pitch, please contact our Technical Department for advice.
 
** Clay tiles are subject to small variations in size because of drying and firing shrinkage in the manufacturing process.  Before deciding on the batten gauge and linear coverage, the roof tiler should inspect each batch of tiles to ensure that the correct minimum headlap and sidelap are achieved.  For further guidance please contact Sandtoft Technical Services on 0844 9395 999.
 
Tile Fixing
Sandtoft roof tiles 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 Services on 0844 9395 999.