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Technical - Cassius

  Cassius®

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Technical Data

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Minimum roof pitch
22.5°
Headlap (minimum)
75 mm
Headlap (maximum)
120 mm
Batten spacing at maximum gauge**
325 mm
Batten spacing at minimum gauge
280 mm
Size of tile
400 x 320 mm
Covering capacity at maximum gauge
10.7 tiles per m²
Cover width
287 mm
Profile depth
16 mm
Hanging length
360 mm
Weight as laid
39.9 kg per m²
Weight per 1000
3.8 tonnes
Weight per tile
3.8 kg
Weight per pallet (including pallet & packaging)
0.9 tonnes
Quantity per pallet
240
Quantity per row/band
40
Quantity per mini pack
5
Quantity per layer
120
Mini packs per row
8
Battens per m²
2.9m
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
45 x 3.35 mm aluminium rink shank clout head
Nail size/type for metal tile clips
55 x 3.35 mm aluminium rink shank clout head
Nail size/type for plastic tile clips
55 x 3.35 mm aluminium rink shank clout head
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Product specification is subject to change and will be updated accordingly.
 
For projects where the rafters are below the minumum recommended roof pitch, please contact Technical Services 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, download the Cassius Installation Guide.
 
Note: unless otherwise stated, data is based on the tiles laid at minimum headlap.
 
 

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.