Stonewold II Slates conform to BS EN 490: 2011 Concrete roofing tiles and fittings for roof covering and wall cladding - Product Specifications.
Stonewold II Slates have been rigorously tested in the Group wind tunnel where combinations of high wind and driving rain are used to determine the slates performance with respect to wind loading and weathertightness. Slates will meet the requirements of BS 5534: 2014 Code of practice for slating and tiling (including shingles), providing Redland fixing recommendations are complied with.
|Stonewold II||Technical Data|
|Size||430 x 380 mm|
|Minimum Headlap||75 mm|
|Maximum Headlap||125 mm|
|Minimum Gauge||305 mm|
|Maximum Gauge||355 mm|
|Tile Thickness||28 mm|
|Hanging Length||379 mm||approx|
|Linear Cover of 1 Slate||343 mm|
|Covering Capacity (net)||8.2 slates/m²||at 355 mm gauge|
|Laid Weight||51 kg/m²||at 355 mm gauge|
|Weight per 1000 Slates||6.17 tonnes||approx|
|Weight per Pallet||0.87 tonnes||approx|
|Battens Required||2.82 m/m²||at 355 mm gauge|
|Batten Size||38 x 25 mm|
50 x 25 mm
|rafter centres up to 450 mm|
rafter centres up to 600 mm
|Slates per Pallet||132|
|Slates per Pack||32|
|Packs per Pallet||6|
FixMaster is a guaranteed tile and batten fixing specification service tailored to individual roof designs. It's Redland's high technology solution to incorrect fixing providing the most cost-effective specification to comply with British Standards.
As no two roofs are the same, FixMaster takes into account all variable factors including roof geometry, location and products used. A full assessment is made of any nearby tall structures, natural topographical features or, in the case of airports in the locality, pressures generated by aircraft trailing wake vortices.
Methods to obtain a FixMaster are:
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