Unbranded 1-1/8 Cat Ps1-09 Tongue and Groove Douglas Fir Underlayment, Application as 4 x 8

Combined subfloor/underlayment flooring for use under carpet. 1-1/8 inch thick for extra strength. Multi veneer construction for durability and strength. Excellent nail, screw, and staple holding ability allows placement near panel edges without splits. Ideal for remodeling or new construction in residential or light commercial applications. It is resistant to splitting, puncturing and impact damage –.