What is the difference between blue label cedar shakes that have been bureau certified?

Blue Label is the top grade of Cedar Shingle or Shake. The other grades are Red and Black label; these are not recommended for roofing in the UK. Blue Label Shingles are 100% clear, 100% edge grain and 100% heartwood. The Western Red Cedar Shingle and Shake Bureau is a member organisation that is recognised as having some of the highest quality standards. It owns the trademarks of CertiGrade and …

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Can cedar shingles be fire resistance treated?

Cedar Shingles can be treated with fire retardant treatments. Some building regulations impose certain restrictions concerning possible fire risk and may require a fire retardant treatment like FRT Exterior® for example, which achieves the following performance: Euroclass B to BS EN 13501-1 (transposes to Class 0) Euroclass C to BS EN 13501-1 (transposes to Class 1) AAP60 rating BS 476: Part 3:2004 External Fire Exposure of Roofs Shingles that are …

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Replacing and maintaining shingles and shakes

Shingles and Shakes are a sustainable roofing and cladding material.  Shingles are produced by sawing a block of wood on both sides. A Shake is handsplit from a block of cedar along the natural grain of the wood and then re-sawn to produce one smooth surface. They are manufactured from Western Red Cedar. They are the only truly renewable roofing material as they are made from timber – a renewable …

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What is the minimum roof pitch for timber shakes?

The minimum roof pitch for shingles and shakes is 14 degrees. At these low pitches (14-22 degrees) care must be taken and a fully waterproof underlay or membrane MUST be used underneath, with a ventilated space between the membrane and the Shingles. At these pitches there is a possibility of some water penetration.

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