Underlayment, 7-Ply Plywood, 3/4 in x 4 ft x 8 ft - Douglas Fir, Pressure Treated, Tongue & Groove. 3/4X4X8 Tg Sif F/F 7Ply Trt. Underlayment, 7-Ply grade Plywood - this product is 3/4 in thick, 4 ft wide by 8 ft long and is made from Douglas Fir. This product is also pressure treated, tongue & groove.

Item Features

• Douglas Fir is the major species produced in the West, with more volume shipped than any other species and its sterling performance history is recognized the world over
• Underlayment grade particle board is cheaper, denser and more uniform than conventional wood and plywood; this panel is made from 7 veneers/plys which adds additional strength
• Plywood is a versatile and durable wood product with uniform strength along grains regardless of direction
• Pressure-treated with preservative agents to protect against termites, decay and rot; tongue and groove joints allow the boards to be joined strongly together and function as a single flat surface