San Francisco : Architect and Engineer, Inc · leaf 457
ration, areal comfort factor in many areas. As for vapor barriers, modern science saysthat where condensation in walls may be a fac- Tests at U. S. Forest Products LabMadison. Wisconsin oratoryWALLS Strength and Rigidity of frame RESULTS OF TESTS OF 9ft.B\rl4ft. Wall Panels TYPE OFCONSTRUCTION… … Grade Description ofDouglas Fir Plywood SEWER TRENCHES SHEETED WITH PLY,-COD PANELS, IN-STEAD OF THE CUSTOMARY SUPPORT OF TIMBER SHEETING.STANDARD 4 x 8 FT. CONCRETE FORM PANELS OF 3/, IN.DOUGLAS FIR PLYWOOD. tor, due to high room humidities and low out-side temperatures, the vapor barrier should…
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