Document mm17yYpVEoE0QXLZqDEmbE5D0

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 Table 4. Coefficients of Transmission (U) of Masonry Walls with Various Types of. Veneerso Coefficients are expressed in Bin per hour per square foot per degree Fahrenheit difference in temperature between the air on the two sides, and are based on a wind velocity of 16 mph. TYPICAL CONSTRUCTION TYPE OF WALL Facing Backing Wau Na 4 in. Brick Veneer4 6 in. 10 it Ho,loff Tile12 in. 37 38 39 40 4 in. Brick Veneer4 6 in. 10 in. Concrete 16 in. 41 42 43 4 in. Brick Veneer4 8 in. Cinder Blocks 8 in. Cinder Blocks -- Cores filled with granulated cork, 5.12 lb per cu ft. 12 in. Cinder Blocks 12 in. Cinder Blocks -- Cores filled with granulated cork, 5:24 lb per cu ft. 8 in. Concrete Blocks8 in. Concrete Blocks--Cores filled with granulated cork, 5.14 lb per cu ft. 12 in. Concrete Blocks 8 in. Burned .Clay aggregate Block 8 in. Burned day aggregate Block--Cores filled with gran* -~.ulated cork, 5.06 lb per cu ft. 12 inTBurned Clay aggregate Block 12 in. Burned Clay aggregate Block--Cores filled with gran ulated cork, 5.6 lb per cu ft. 44 45 46 47 48 49 50 51 52 53 54 4 in. Cut-Stone Veneer4 8 in. 12 in. Common Brick 16 in. ' 55 56 57 4 in. Cut-Stone Veneer4 6 in. 8 in. 10 in. Hollow Tile* 12 in. 58 59 60 61 4 in. Cut-Stone Veneer4 6 in. 10 in. Concrete 16 In. 62 63 64 `Computed from factors marked by * in Table 2. bBased on the actual thickness of 2-in. furring strips. The 6-in., 8-in. and 10-in. tile figures are based on .two cells in the direction of heat now. The 12-ln. tile is based on three cells in the direction of heat flow. 100 CHAPTER 4. HEAT TRANSMISSION COEFFICIENTS AND TABLES INTERIOR FINISH Uninsulated Walls Insulated Walls 1_c cc 1 5 * dd -T fll 51h X g* gS*oaJ il ila s 3% Cl S 111.3 o- S cl o5 No plaster--deco* : rated rigid or build ing board interior finish (H in.)-- furred 5 o -- c ji s|l -~e*7\3ao ill sli mir. 111! a3 lltiiii ilM1!rig- Jbllil s-s-S-p Il S | a gXflsii il -sJfS Ql*C.S -sl-Sci.'2S CSSS Ph 0.2 0.0,2 p. s! a BSJjs ZBSZrSSS ABCDE F GH 1 J KL 0.27 0.26 0.24 0.24 0.23 0.20 0.25 0.25 0.24 0.21 0.24 0.24 0.23 0.20 0.19 0.19 0.19 0.16 0.19 0.15 0.18 0.14 0.18 0.14 0.16 0.13 0.13 0.12 0.12 0.11 0.18 0.18 0.18 0.16 0.11 0.11 0.11 0.10 0.17 0.17 0.17 0.15 0.33 0.35 0.33 0.30 0.31 0.30 0.39 0.37 0.26 0.27 0.26 0.24 0.22 0.20 0.23 0.17 0.14 0.22 0.16 0.14 0.19 0.15 0.13 0.35 0.33 0.24 0.25 0.24 0.19 0.18 0.14 0.12 0.16 0.16 0.16 0.31 6.30 0.22 0.23 0.22 0.13 0.26 0.13 0.11 0.10 0.17 0.24 0.12 0.18 0.18 0.15 0.15 0.15 0.44 0.42 0.28 0.30 0.28 0.13 0.21 0.12 0.10 0.09 0.21 0.16 0.13 0.32 0.24 0.25 0.23 0.40 0.38 0.26 0.28* 0.26 0.31 0.29 0.23 0.23 0.22 0.19 0.20 0.18 0.18 0.14 0.20 0.15 0.17 0.14 0.12 a. 13 0.12 0.17 0.16 0.14 0.14 0.14 0.29 0.28 0.21 0.22 0.21 0.12 0.17 0.12 0.10 0.09 0.17 0.13 0.12 0.14 0.14 0.12 0.12 0.12 0.10 0.10 0.09 0.08 6.37 0.35 0.25 0.26 0.25 0.28 0.27 0.21 0.21 0.21 0.23 0.22 0.18 0.18 0.18 0.19 0.17 0.15 0.19 0.15 0.13 0.16 0.13 0.12 0.14 0.12 0.11 0.23 0.22 0.20 0.18 0.13 0.17 0.13 0.21 0.18 0.20 0.17 0.12 0.17 0.10 0.19 0.17 0.15 0.13 0.12 0.11 0.11 0.09 0.11 0.08 0.12 0.11 0.11 0.11 0.08 0.10 0.07 0.11 0.10 0.095 0.21 0.20 0.17 0.12 0.12 0.19 0.17 0.16 0.11 0.16 0.10 0.17 0.15 0.14 0,37 0.35 0.25 0.26 0.25 0.36 0.34 0.24 0.25 0.24 0.35 0.33 0.24 0.25 0.24 0.28 0.26 0.20 0.21 0.20 0.20 0.19 0.19 0.17 0.19 0.15 0.19 0.15 0.18 0.14 0.16 0.13 0.13 0.13 0.12 0.11 0.19 0.18 0.18 0.17 0.11 0.11 0.11 0.10 0.18 0.15 0.61 0.56 0.34 0.36 0.34 0.51 0.47 0.31 0.32 0.31 0.41 0.38 0.26 0.28 0.26 0.25 0.23 0.20 0.24 0.18 0.15 0.22 0.17 0.14 0.20 0.15 0.13 0.24 0.22 0.20 0.13 0.12 0.11 0.22 ' 0.18 ^Calculations include cement mortar (K in.) between veneer or facing and backing. 'Based on one air cell in direction of heat flow. fA waterproof (not vaporproof) membrane should be provided between the outer material and the insulation fill to prevent possible wetting by absorption and a subsequent lowering of efficiency. 101