Western Red Cedar

Type: Softwood
Source: North America & Canada

OVERVIEW

Western Red Cedar is a very popular choice for external timber cladding projects and offers a distinct and beautiful colour. Cedar is easy-to-work with, and its inherent design and colouration creates an aesthetically beautifully building finish. Its lightweight qualities, design and durability make it a popular choice for large scale projects.

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Suitability of Profiles

Wide choice of standard profiles.

Profile Cladding Joint Horizontal Diagonal Vertical Thickness
Tongue & Groove Closed Yes Yes Yes 20mm min.
Rectangular Closed No No Yes 16-25mm+
Feather Edge Closed Yes No No 9mm x 16-15mm
Shiplap Closed Yes No Yes 18mm
Parallelogram Open Yes No No 16-25mm+
(up to 50mm)
Ecova Clad Profiles Guide
DURABILITY
Desired service life (years)
Natural durability class Need for treatment/modification Occasionally wet Frequently wet
1 (Very durable) Suitable without treatment >60 60
2 (Durable) Suitable without treatment 60 30
3 (Moderately durable) Suitable without treatment except for tall or exposed buildings 30 15 (untreated)
4 (Slightly durable) Treatment required 15-30 years treated 15-30 years treated
5 (Not durable) Treatment required 15-30 years treated 15-30 years treated
Common Name Natural Durability Class BSEN350:2:1994 Sapwood Treatability Movement Strength
Western Red Cedar (Canadian) 2 Resistant Small Low +
TREATMENTS & FINISHING
  • Easy to work with both hand and machine tools. Holds paint well.
  • Stains, glues, and finishes well.
Cladding Treatment Notes For which species?
Tanalith (Green) High Pressure Treatment – Green Coloured Finish. Once treated, timber can go in the ground Soft Wood Only
Tanalith (Brown) High Pressure Treatment – Brown Coloured Finish. Once treated, timber can go in the ground Soft Wood Only
Vac – Vac (Clear – Yellowish) Low Pressure Treatment – Green Coloured Finish. Can only use above ground Soft Wood Only
Fire Retardant Pressure Treatment All Species
UV Protection Vacuum Applied All Species
Full Range of Stains and Colours All Species
Clear Lacquer Vacuum Applied All Species
SPECIFY

If you have decided that Timber Cladding is going to be one of the materials on your project the next step is to create a specification that will meet the criteria and expectations you, and your client have.

We offer installation guidance, detailing guidance based on TRADA documentation, with a wealth of knowledge and information on how different timbers will perform over the life span of your project.

Considerations that should be made when it comes to weather, along with how elevation and design variations can impact timber cladding.