Exemplary performance with respect to the use of FSC materials for roof, floor and wall sheathing.Use FSC plywood or OSB on all roof, floor and wall surfaces rather than just 2 out of 3.Compare square footage of surface area to material purchasedTabulations documenting purchase and use of FSC. The use of FSC sheathing for all three surface area types resulted in the use of 76% more material than if only the floor and roof had been sheathed with FSC materials. Provide increased market demand for FSC material and reduce negative forestland & fisheries impacts.