Find: a. Roof dead load D in psf on a horizontal plane b. Wall D in psf of wall surface area c. Wall D in lb/ft of wall d. Basic (i.e., consider roof slope but not trib. area) unit roof live load, L., in psf e. Basic unit roof L. in psf if the slope is changed to%2 2.2 Given: The house framing section shown in Fig. 2.B. Note that a roofing square is equal to 100 ft. 2x8 16 0.C. CONCRETE TILE- 950 LB/SQUARE 15/32" WOOD STRUCTURAL PANEL 10" FIBERGLASS LOOSE INSULATION 1/2 GYPSUM WALLBOARD -2x6 16 0.C.