Sizes Western Red cedar trim boards are available in the sizes shown in the following table. Thickness (in.) Width (in.) Nominal Actual Nominal Actual Dry Green Dry Green Rough 1 5/4 3/4 13/16 7/8 1-1/8 3/4 13/16 7/8 1-1/8 2 3 4 6 8 10 12 1-3/4 2-3/4 3-3/4 5-3/4 7-3/4 9-3/4 11-3/4 2 3 4 6 8 10 12 Surfaced One Side, Two Edges (S1S2E) 1 5/4 2 11/16 7/8 1 1-1/2 11/16 3/4 13/16 7/8 1-1/32 1-1/2 2 3 4 6 8 10 12 1-1/2 2-1/2 3-1/2 5-1/2 7-1/4 9-1/4 11-1/4 1-9/16 2-9/16 3-9/16 5-9/16 7-3/8 9-3/8 11-3/8 Building a wood deck, visit our deck material website. For wood house siding information visit our cedar siding website. Why Cedar | Cedar Outdoor Products | Environment | Purchasing Cedar | Cedar Outdoor Projects | Finishing Cedar | About WRCLA ©WRCLA | Site Map | Disclaimer | Links | www.wrcla.org Web site design and development by Graphically Speaking Cedar facts for homeowners, builders and architects   Earn 7.0 AIA/CES Learning Units   Download Western Red Cedar Specifications Find a Western Red Cedar Certified Retailer near you Online Cedar Training   Cedar School   Onsite Training   Order Western Red Cedar House Siding brochures here   Keep up-to-date on Western Red Cedar marketing. Sign up for Real Cedar News Articles for consumers, architects, builders and the trade