Eastern White Cedar Shingles
Overview
Eastern White Cedar has for many years been the timber of choice for manufacturing
Singles in Eastern Canada and the USA. Also known as Northern Whire Cedar or
White Cedar, Thuja Occidentalis is a consistent light or pale brown colour that
bleaches naturally over time to give a distinctive silver grey 'New England' look.
It has a fine even grain, low density and light weight making it easier to work
with. Eastern White Cedar also has a distinctive spicy aroma.
Use and Timber Treatment
Most typically used for external wall cladding, Eastern White Cedar Shingles
can be used untreated giving an expected service life of 25-30 years. They can,
if requited be painted or stained. They are resistant to frost and have a higher
resistance to shock than Western Red Cedar.
Eastern White Cedar Shingles should be treated for all roofing applications,
where the roof pitch isabove 14 degrees, to give maximum durability in the UK's
climate. When treated with Osmose NauurewoodŽ a service life in excess of 40
years is expected.
If building regulations require, Eastern White Cedar Shingles can be treated
with fire retardant to give a class 1 or a class 0 surface spread of flame to
BS476:Part 7:1971 or a 'AA' rating to BS476:Part 3:1958.
Grades
Eastern White Cedar Shingles are available in several gardes. John Brash only
import the top grade referred to as 'Grade A (Extra) Blue Label'. This is a premium
quality shingle with no imperfections and is made from 100% cleara and 100% heartwood.
They are taper sawn and have a relatively smooth face and back. The shingles
are 400mm (16") long, approximately 10mm thick at the butt, tapering to 2-3mm
at the tip.
Fixing
Easter White Cedar Shingles are fixed in the same manner as Western Red Cedar
Shingles. For full fixing details please refer to the John Brash Cedar Shingles
and Shake guide.
Coverage
Eastern White Cedar Shingles are supplied in bundles.
- For vertical cladding: 190mm gauge 3.47 sq. metres
- Roofs 14-22 degrees: 95mm gauge: 1.73 sq. metres
- Roofs over 22 degrees: 125mm gauge 2.28 sq. metres
A double starter course should be used for both roofs and walls - allow 1 bundle
for every 18 metres.
For more information please contact John Brash technical sales on: 01427 675
588 or click here to download the Eastern White Cedar Shingles brochure.
