Unbranded 3/8 Cat Ps1-09 Square Structural Douglas Fir Sheathing, Application as 4 x 8

Rated sheathing can be used in wall, and general construction applications. Span ratings on the back of the panel denote the maximum recommended center-to-center spacing of supports, in inches, when installing the panel. Multi veneer construction for durability and strength. NAUF (No added urea formaldehyde).