Description
Most UK roofs are finished in fired clay or concrete, which is exactly why a cedar-shingled roof stands out on the street it sits on. These are genuine western red cedar wood shingles, No.1 Certigrade Blue Label grade – the premium classification, cut entirely from clear heartwood with no sapwood or significant defects – supplied treated for extra protection against rot and decay.
Cedar shingles are a specialist, low-volume choice in the UK market compared with clay, concrete or slate, which is exactly the point for a period property, a garden building, a lodge roof or a cladding project where a natural timber finish matters more than following the crowd. Left untreated they weather to a soft silver-grey over years; this treated pack helps protect that transition for longer.
Key benefits
- No.1 Certigrade Blue Label grade – 100% heartwood, 100% clear, 100% edge grain, no significant defects
- Genuine western red cedar: naturally insect and rot resistant, with added preservative treatment
- Highly insulating and lightweight compared with mineral roofing materials
- Sold by fixed roof-coverage pack (2.49m²), so you can order to your measured area
- 30-year manufacturer warranty (terms apply)
Specification
| Material | Western red cedar, preservative treated |
|---|---|
| Grade | No.1 Certigrade Blue Label |
| Shingle length | 405mm (16-inch) |
| Shingle width | Random widths, 75–350mm |
| Coverage per pack | 2.49m² fixed on the roof |
| Suitable pitch | 14° to 90° |
| Warranty | 30 years (terms apply) |
Ordering & installation guidance
Measure your total roof area and order enough packs to cover it, remembering that the 2.49m² coverage figure already accounts for the correct exposure/lap for shingles fixed at a standard pitch – always check your fitting instructions for the pack quantity needed at your specific pitch before ordering. A breathable sarking board is recommended beneath cedar shingles on a timber-frame roof deck; see our wood fibre sarking & insulation board for a suitable breathable substrate. Roughly 1kg of shingle nails is needed for every six packs – source stainless or silicone bronze nails to avoid staining the cedar.
FAQs
Will the shingles stay this colour?
No – western red cedar naturally weathers from its fresh honey-brown tone to a silvery grey over a period of months to a few years, depending on exposure. This is normal and part of the material's character; the preservative treatment helps protect the timber through that process rather than fixing the colour.
What nails should I use?
Stainless steel or silicone bronze nails are recommended to avoid staining or corrosion streaking on the cedar; standard galvanised nails are not advised for a long-term roof.
Can this be used for wall cladding as well as roofing?
Blue Label is the premium grade and is suitable for both high-end roofing and wall cladding applications, though fixing details differ – confirm cladding-specific fixing centres with your installer.
What roof pitch is this suitable for?
14° to 90°, covering everything from a shallow-pitch garden building roof through to a steep traditional roof or vertical cladding application.
Do I need an underlay beneath the shingles?
Yes, a breathable roofing membrane or breathable sarking board over the rafters is standard practice beneath timber shingles to manage any incidental moisture – see the cross-linked sarking board above.
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