JB Shakes

Premier No 1 Grade Blue Label Western Red Cedar Shake for roofing and cladding.

Advantages
  • Full PEFC chain of custody 
  • Quality assured with a MicroPro preservative treatment
  • Approved contractor scheme 
  • Fire treatment available 
  • Nationwide stockists

Click on a colour to view a larger version and to select a sample

  • Excellent thermal performance 
  • Net carbon sink upon delivery
  • Lightweight and durable 
  • Natural beauty 
  • Low maintenance  
  • Clear preservative treated

Handsplit and resawn shakes

Grade
Blue Label, 100% Heartwood, 100% Edge Grain and 100% Clear. Also available in Red Label.
Size 600mm long, random widths 75mm - 300mm
Thickness
19mm at the butt, tapering
Profile Hand split face, sawn back, rectangular
Bundle
Approx. 44 pieces
Maximum Pitch
90°
Minimum Pitch 20°
Minimum Side Lap
38mm


Maximum Gauge
Covering m2 per bundle
Laid weight kg m2 clean / treated / FRT
Battens per m2
75-90°
250mm
3.47
4.0 / 8.1 / 4.6 5.3m
20-74° 190mm+ 2.28 6.1 / 12.3 / 7.0 8.0m

+ Maximum gauge 190mm if using a 3 ply construction with no interleaving or felt baffle

Minimum batten size (JB Red battens)
90° 25 x 50mm
Not exceeding 450mm centres
25 x 38mm
Not exceeding 600mm centres
25 x 38mm


Nail Size
Silicon bronze nails
31 x 1.8mm

JB Shakes are premier No 1 Grade Blue Label Western Red Cedar Shake for roofing and cladding. The Blue Label grade ensures that all Shakes are made from cedar that is 100% heartwood and 100% clear. A maximum 20% flatgrain is permitted with the shakes certigrade grading rules.

Western Red Cedar Shakes differ from Shingles in that they have a split, rather than sawn face. They are available in several combinations of width and length. The size that is readily available from stock is 600mm x 19mm ‘Heavies’.

Shakes are supplied by the bundle and are in random widths, similarly only the top grade is supplied, No.1 Grade Blue Label. JB Shakes can be supplied untreated, clear treated with MicroPro® preservative treatment in compliance with BS 8417:2011, or Fire treated on request.

Typical Applications

  • Conservation projects
  • Heritage projects
  • Low carbon projects
  • Listed buildings
Here at Marley Eternit, we are always on hand to offer practical and experienced support. Select an option below or call us on 01283 722588.