Tapco.
Foundry vinyl cedar shake siding features a rough-sawn look and staggered butt ends and varied widths for a cedar appearance. It comes in 7- and 10-inch exposures and is available with Fullback, a foam backer that adds a 3.96 R-value. The company participates in EcoScorecard, which allows contractors to see how products qualify under green project rating systems. 800.771.4486. www.foundrysiding.com.