Cantero First 500mm x 250mm Preholed Spanish Natural Roof Slate
Cantero First 500mm x 250mm Preholed Spanish Natural Roof Slate
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Description
Cantero First 500mm x 250mm Preholed Spanish Natural Roof Slate
For a stylish, aesthetically pleasing roof finish, look no further than Cantero First natural slates. The natural minerals, shimmering in the sunlight, make the roof a striking feature and enhance the overall design of your building.
Cantero First roofing slate exhibits a riven texture and a natural unfading deep blue-black colour.
Quarried and hand split exclusively for SSQ in North West Spain, Cantero First slate has an elegant blue-black colour and strong, deep texture.
Cantero First Slates have achieved excellent results when tested in accordance with EN 12326, in addition to passing SSQ’s own rigorous quality-control tests, performed at source.
These slates also carries the CE marking and is classified as W1, T1, S1 as well as been tested to the demanding Norm Français (NF 228), which has the strictest slate testing criteria and procedures in the world. Each pallet leaving the quarry is subject to inspection and certification. Independent, random spot checks are also carried out to ensure the best quality.
Technical
Technical:
- Size: 500mm x 250mm
- Thickness: 5mm - 6mm (approx)
- Weight per slate: 2.1kg (approx)
- Preholed: Yes
- Guarantee: 75 year rust free guarantee
- Recommended wastage: Wastage Allowance 5%
- Minimum Roof Pitch: 25 degrees
Headlap & Coverage:
- Minimum Headlap: 95mm at a 25 degree roof pitch / 70mm at a 35 degree roof pitch
- Coverage: 20.8/m2 at 115mm headlap
Batten:
- Battens required: 50mm x 25mm @ 5 l/mtr/m2
Accreditation:
- BS EN12326
- CE marked
- T1, S1, W1
- Water Absorption < 0.3%
- NHBC approved
- French Standard (NR 228)