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Certi-sawn No. 2 Grade Tapersawn Cedar Shakes

(exc VAT) £27.20 (inc VAT) £32.64

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(exc VAT) £27.20 (inc VAT) £32.64


While being classified as a No.2 grade, Certi-sawn No.2 Western Red Cedar Shakes contain a high proportion of clear quality tiles and are often specified and perfectly acceptable to use on residential properties unlike lower graded shingles.

At a glance

  exc VAT inc VAT
Bundle Price £25.13 £30.16
m2 Price £18.21 £21.85
  • Tapersawn for a rustic, characterful appearance
  • Provides textured look ideal for garden buildings
  • PEFC Certified
  • Certi-split product assurance
  • Grading allows limited defects 9" above the butt

An economical shake option offering a great deal of versatility.

Certi-sawn No.2 Western Red Cedar Shakes are an economical option offering a great deal of versatility. While being graded as No.2, they contain a high proportion of high quality tiles and are often specified and perfectly acceptable to use on residential properties unlike lower graded shingles. 

With a thicker butt and longer length than cedar shingles, Certi- sawn™ cedar shakes are produced by cutting blocks from the log to the desired length. Shakes are then taper sawn to size on both sides in the same way a shingle in manufactured. They differ from shingles as at 16mm the butts are much thicker. A shake roof has the same smooth textured look as a shingle roof but as shakes are thicker and heavier more defined shadow line is created.

Taper sawn shakes have the appearance of a smooth faced shingles, but the extra thickness of a shake. As their name suggests they are produced by sawing both faces to achieve a taper.

Cedar Shake roofs can be seen all over the US and Canada and are becoming increasingly popular in the UK. They are incredibly durable and are able to withstand extreme weather conditions. Cedar Shake roofs also provide excellent insulation and as a result are increasingly being specified by architects for energy efficient buildings. We are confident that if you like the look of Cedar shingles you will love the look of Cedar shakes.

Certi-Label™ Confidence

Not all cedar shake and shingle products are alike. Certi-label products, manufactured by Cedar Shake & Shingle Bureau members, assure you of the highest quality standards. Member mills have committed to consistent quality through independent third-party inspections by accredited agencies. Each bundle of product has the mill's distinctive Certi-label tucked under the bundle strap. Asking for "the blue label" or "number one blue label" is not specific enough. Cedar Bureau members' products are the only ones with the Certi brand name on the label.

For quality assurance, always specify Certigrade Western Red Cedar Shingles & Shakes. The  term  “Blue Label ”  is  a  registered trademark  of  the  Cedar Shake & Shingle  Bureau  trade association  which  has  over  250  member  companies.  Be aware that just because a supplier puts a label in a blue colour on its bundles does not mean that it’s on grade or third party inspected. Certigrade Western Red Cedar Shingles & Shakes are inspected by legitimate, third party agencies, accredited by the Cedar Shake & Shingle Bureau. 

Silva Timber are the only member of the Cedar Shake & Shingle Bureau outside of North America. The Bureau monitors and inspects member mills to ensure product quality, grading rules and consistency of Certi-Label cedar shingles and shakes are maintained. 

Click here for more information on why to specify Certi-label Western Red Cedar Shingles

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Coverage per bundle (approx.) m2
1 Bundle on roofs with 13º+ pitch 1.38m2

Approximated Nails usage guide - 1 kilo of 2.65 x 50mm Stainless Steel Annular Ringshank Nails will be required to fix 3 bundles of shingles.

Recommended use - An economical option offering great deal of versatility. Contain a high proportion of high quality tiles

Batten Spacing - Space battens to coincide with the weather exposure. Spacing between adjacent shingles (joints) should be a minimum of 9mm and a maximum of 16mm.
Joints in any one course should be separated not less than 38mm from joints in adjacent courses and in any three courses, no two joints should be in direct alignment.

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Case Study

Cozy Cottage uses Certi-sawn No.2 Grade Tapersawn Cedar Shakes

Coverage Guide

When working with timber it should be expected that although ‘on-grade’, occasional boards may have minor imperfections that will require ‘working’ if you wish to eliminate. Examples include raised grain, small splits, minor handling marks, sticker marks etc – all of which can easily be remedied by trimming, gluing or sanding. In most cases imperfections can be removed with very little effort, and the small amount of off cuts generated as a result will be absorbed in the normal cutting and selection allowance.


Coverage (approximate)

1 Bundle on roofs with a 13º + pitch 1.38m2

Recommended Exposure

Roofs with a 19º > pitch 114mm
Roofs with a pitch 14 - 19º  102mm


Shingle Specification

Shingle Length 450mm
Minimum Shingle Width 76mm (widths of 100mm or less in 10% of bundle)
Maximum Shingle Width 355mm
Shingle Butt Thickness 15-19mm (tolerance of 1.5mm in 10% of bundle)
Grading Limited defects are allowed 225mm above the butt in 450mm shakes.
Unlimited flat grain is allowed.
Sapwood is restricted to 25mm in width for the first 250mm.


Bundle Specification (approximate)

Bundle Length 635mm
Bundle Width 482mm
Bundle Height 228mm
Bundle Weight 15-35kg (depending on moisture content)


Limited defects are allowed 225mm above the butt in 450mm shakes.
Unlimited flat grain is allowed.
Sapwood is restricted to 25mm in width for the first 250mm.


This product carries Programme for the Endorsement of Forest  Certification  (PEFC)

The PEFC Council is an independent, non-profit, non-governmental organisation founded in 1999 which promotes sustainably managed forests through independent third party certification. The PEFC provides an assurance mechanism to purchasers of wood and paper products that they are promoting the sustainable management of forests.

PEFC works throughout the entire forest supply chain to promote good practice in the forest and to ensure that timber and non-timber forest products are produced with respect for the highest ecological, social and ethical standards. Thanks to its  eco-label, customers and consumers are able to identify products from sustainably managed forests.

Silva Timber meets the requirements for PEFC Chain of Custody within the BM TRADA Certification Limited Scheme for TRADA - Trak chain of custody certification.

Certificate number: BMT-PEFC-0319

Western Red Cedar is the ultimate green building material. It is legally, responsibly and sustainably harvested in the publicly managed forests of British Columbia, Canada. Less than 1% of standing timber is harvested each year.

For each tree harvested, three are replanted to ensure the forests will exist in perpetuity. Western Red Cedar has a low impact on the environment throughout its life cycle. It requires significantly less energy to produce than man-made alternatives and is bio-degradable.

  • FSC
  • PEFC
  • Trada member
  • Responsible purchaser
  • Cedar Shake & Shingle Bureau
  • Secured by