Cedral - Rivendale
- Description
Description
Cedral Rivendale slates have a beautifully textured surface with dressed edges, combining the benefit of modern slate technology with the look of a natural slate. Cedral slates are the strongest slates in the market, tough enough to withstand the most volatile weather conditions.
Rivendale are available in two different colours:
- Cromleigh Graphite
- Blue-Black
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Product Detail
Info
case studies
Info
Technical data
| Size of slate | 600mm x 300mm |
| Minimum pitch**: Moderate exposure | 22.5° (100mm lap) 20° (110mm lap) |
| Minimum pitch**: Severe exposure | 25° (100mm lap) 22.5° (110mm lap) |
| Maximum pitch | 90° |
| Typical laps | 100, 110mm |
| Slate hooks | Hook fixed 100 -150mm |
| Maximum gauge | 245 – 250mm |
| Slate thickness | 4mm |
| Covering capacity (net) | 13.4 slates/m2 at 100mm lap 13.6 slates/m2 at 110mm lap 14.8 slates/m2 at 150mm lap |
| Weight of slating (approx) | 20.4 kg/m2 (0.20 kN/m2) at 100mm lap 20.9 kg/m2 (0.20 kN/m2) at 110mm lap 22.8 kg/m² (0.20kN/m2) at 150mm lap |
| Battens required (net) | 4.00 lin.m/m2 at 100mm lap 4.08 lin.m/m2 at 110mm lap 4.45 lin.m/m2 at 150mm lap |
| Batten size recommended (fixed to BS 5534) |
50 x 25mm for rafters/supports not exceeding 600mm centres
|
| Fixings | Slate nails (30 x 2.65mm) Copper disc rivets (19mm dia. x 2mm stem) |
| Fitting Screws |
14 gauge self sealing |
| Slate hooks*** | Length to equal to lap |
| Authority | BS EN 492 |
case studies