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Technical - Romulus

 

  Romulus

 

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Technical Data

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Minimum roof pitch
17.5° @ 100 mm headlap
22.5° @ 75 mm headlap
Headlap (minimum)
75 mm
Headlap (maximum)
125mm
Batten spacing at maximum gauge**
370 mm
Batten spacing at minimum gauge
320 mm
Size of tile
446  x 326 mm
Covering capacity at maximum gauge
9.7 tiles per m² (at 100mm headlap)
9.1 tiles per m² (at 75mm headlap)
Cover width
300 mm
Profile depth
54 mm
Hanging length
416 mm
Weight as laid
37.8 kg per m² (at 100 mm headlap)
35.5 kg per m² (at 75 mm headlap)
Weight per 1000
3.9 tonnes
Weight per tile
3.9 kg
Weight per pallet (including pallet and packaging)   
1.1 tonnes
Quantity per pallet
270
Battens per m²
2.9 m (at 100mm headlap)
2.7m (at 75mm headlap)
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 clout head
Nail size/type for tile clips
Integrated with clip
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Product specification is subject to change and will be updated accordingly.
 
For projects where the rafters are below the minimum 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 contact Technical Services on 0844 9395 999.
 
Note: Unless otherwise stated, data is based on tiles laid at minimum headlap. Concealed tile ventilators must not be used on roof pitches below 22.5 degrees. Please contact  Technical Services for further information.
 
Tile Fixing
Sandtoft roof tiles/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 Technical Services on 0844 9395 999.