Document K6rRzax0NQ07jrme4EZGQoGxX

HEATINC -VENTILATING AIR CONDITIONING GUIDE 1943 Table 5. Coefficients of Transmission (U) of Various Types of Frame Constructiono "Ivessea in Btu per hour per square foot ter iides od'^V?,'i!perenCe TM`,mPeralurc between the air on the two sides, and are based on a wtnd velocity of 15 mpk. Based on the actual width of 2 by 4-in. studding, namely. 3% in. CHAPTER 4. : HEAT TRANSMISSION COEFFICIENTS INTERIOR'FINISH No Insolation Between Studding a a J3 9 s 9 i1 .I JS S' ! Ts 1Pm 31 AB E 8 1 1 a ' taa --O'9 ` SOi . 5s 1$' c .2a S 9 2 !2 ii . ^--1o ` 22 JP-XC> D oa ' -'3IaQ ' s 31 S? o PIh;C!. E _d 2 & 5 '5e fe-2 tfl CJ3 13' soa ' , d-.if JPmSo . eZ si ii it *S-- J13 ii *3 e 55.2 ii FGH (H in.) space faced on one side Plaster (W in.) on plasterboard-- Insulation Between Studding with bright aluminum foil oemented ss* .h H~aX'a-'-Ss<a. 33 8 oB"aT fl g-g sis 1=1a B -ill- 3= 1-l-a -ii: ago 1" 1i'aO.5 a*9 -s-fT h a -ill .S'h'-B -MiL ^3o="32v #, Spo si iij- si XT?' isl S-S-Eg jit' ailgl.S-3 51.8- to plasterboard I J K l. M 0.25 0.26 0.25 0.19 0.15 0.11 0.19 0.17 0.19 0.17 0.15 0.12 0.072 0.19 0.20 0.19 0.15 0:13 0.10 0.16 0.14 0.15 0.15 0.13 0.10 0.068 0.31 0.33 0.31 0.22 0.17 0.13 0.23 0.19 0.22 6.20 0.17 0.13 0.076 0.25 0.26 0.25 0.19 0.15 0.11 0.19 0.17 0.20 0.17 0.15 0.12 0.072 0.17 0.17 0.17 -0^14 0.11 6.092 0.14 0.14 0.15 0.13 0.11 0.094 6.064 0.24 0.25 0.24 0.19 0.15 0.11 0.19 0.19 0.22 0.17 6.15 0.12 0.071 0.30 0.32 0.30, 0.22 . 0.16 .0.12 0.22 0.19 0.23 0.20 0.17 0.13 0.076 0.22 0.23 0.22 0.17 0.14 . 0.11 0.19 0.15 0.17 0.16 0.14 0.11 0.071 0.40 0.43 0,40 0.26 0.19 0.14 0.28 0.22 0.26 . 0.24 0.20 0.14 0.081 0.27 0.28 0.27 0.2p 0.15 0.12 0.21 0.17 0.21 0.18 0.16 0.12 0.074 0.21 0.21 0.21 0.16 0.14 0.10 0.17 0.15 0.16 0.15. 0.13 0.11 0.068 0.35 0.37 0.35 0.24 . 0.18 0.13 0.25 0.21 0.24 0.22 0.18 0.14 0.079 . *Yellow pine or fir--actual thickness about in. Furring strips between wood' shingles and sheathing. /Small air space and mortar between building paper and brick veneer neglected. * '. A 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. ... *The coefficients in this column are corrected for the'effect of studs. ` 107 .