Western Red Cedar
Thuja plicata • Softwood
Grain Pattern
Straight grain with a medium to coarse texture; features a visible cathedral pattern in the center and tight vertical grain on the right side. Presence of small sound knots and circular branch intersections.
Color Description
Heartwood ranges from reddish to pinkish brown, often with streaks of darker brown. The sapwood is typically pale yellow-white. This sample shows significant oxidation and weathering, appearing as a dull grayish-brown with a matte luster.
Hardness Rating
350 lbf - Very Soft
Durability Rating
Durable to Very Durable; excellent resistance to decay and rot due to high extractive content, though it has moderate resistance to insect attack.
Common Uses
Outdoor siding, decking, shingles, fence posts, greenhouse construction, exterior trim, and saunas.
Geographic Origin
Pacific Northwest of North America (from Southern Alaska to Northern California).
Market Value & Sustainability
Estimated Market Value
$4.00 - $7.00 per board foot depending on grade (Clear vs. Knotty).
Wood Age Estimate
Based on the rough-sawn texture, oxidation levels, and surface checking, this sample appears to be exterior-aged for approximately 5 to 10 years.
Sustainability Status
Least Concern (IUCN); widely available with FSC certification; not listed in CITES appendices.
Workability
Very easy to work with both hand and machine tools; however, it is prone to denting and scratching due to its softness. It glues and finishes well but can be brittle and prone to splintering during machining.
Notable Features
Distinctive aromatic scent (cedar-like), lightweight, high tannin content (can cause staining when in contact with iron fasteners), and excellent dimensional stability.
Finish Recommendations
Penetrating oil stains or transparent exterior stains are recommended to maintain color. If left unfinished, it will weather to a silver-gray patina.
Identification Confidence
High - The combination of prominent latewood bands, reddish-brown hue under weathered gray, characteristic knot structures, and coarse texture are classic indicators of Thuja plicata.