Siding Types - Tongue & Groove - Sizes Thickness (inches) Nominal Finished Green Dry 1 3/4 11/16 Widths (inches) 4,6,8 3-9/16, 5-1/2, 7-3/8 3-3/8, 5-3/8, 7-1/8 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