OSB Thickness Guide: Walls, Roofs and Floors
Affiliate disclosure: ThePlywood.com is reader-supported. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you. For walls and roofs on 16- or 24-inch framing, 7/16-inch OSB is the standard choice. For floors, use 23/32-inch tongue-and-groove OSB on 24-inch joists; 19/32-inch rated single-layer flooring covers joists up to 19.2 inches. Below … Read more
