OC Composite Structural Lumber 2x6

Black structural composite 2x6s by Owens Corning, a premium option for long-lasting framing and a clean, uniform appearance. Can be installed with almost all the same hardware and deck fasteners as normal wood framing. 

2x6 joists when spaced 16" on center can span approximately 5' 10", but may vary depending on loads and your city officials.

Woodgrain on both faces, smooth on edges. Actual dimensions: 1.5"x5.5"