Designed to shed water efficiently at pitches down to 15°, the Wessex interlocking tile has clean, simple lines and a pleasing minimalist style.
- Low pitch solution
- Designed to shed water efficiently
- Can achieve an A+ rating in the BRE Green Guide to Specification
- Certified Excellent for BES 6001
All of our concrete interlocking tiles can achieve an 'A+' rating (which has the lowest environmental impact) in the Building Research Establishment's Green Guide to Specification.
Accreditation to the BES 6001 framework standard for 'Responsible Sourcing' means that projects using our concrete interlocking slates can now achieve extra credits under BREEAM and the Home Quality Mark (HQM).
Size of Tile 420mm x 330mm
Minimum Pitch 15°
Maximum Pitch 44°
Minimum Headlap 75mm
Maximum Gauge 345mm
Cover Width 298mm (nominal)
Covering Capacity 9.7 tiles/m2 at 75mm headlap 10.4 tiles/m2 at 100mm headlap
Weight of Tiling 50 kg/m2 (0.49kN/m2) at 75mm headlap 53 kg/m2 (0.52kN/m2) at 100mm headlap
Battens Required 2.9 lin.m/m2 at 75mm headlap 3.1 lin.m/m2 at 100mm headlap
Batten Size Recommended 38 x 25mm for rafters/supports not exceeding 450mm centres 50 x 25mm for rafters/supports not exceeding 600mm centres
Hanging length 403mm
The effectiveness of the tile or slate to operate at the minimum recommended pitch and lap may be influenced by special circumstances. Guidance on pitch and lap should be obtained from the Technical Advisory Service for the following: Interlocking tiles and slates where the roof slope exceeds 6 metres in length and/or the site is rated to be in a severe exposure category. Double-lap fibre cement slates where the roof slope exceeds 6 metres in length (severe/very severe exposure) and 9 metres in length (sheltered/moderate exposure).
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