Document wgq1ORB7BV9dpVqrRBgmE2ZMQ

HEATINC VENTILATING AIR CONDITIONING CUIDE 1943 Table 2. Conductivities (k) and Conductances (C) of Building . Materials and Insulators3--Continued The coefficients ore expressed in Bln per hour per squarefool per degree Fahrenheit per l in. thickness unless, otherwise indicated. Description Material MASONRY MATERIALS --Continued SrEjJi Treated Limestone Slag. Pumice Mined m Calif. Bt-Product or Manufacture or Phosphates__ .j._____ Expanded Burned Clat__. Burned Ciat AggregateTM Burned Clat Aggregate... Cement fine Coarse Agg^ gate Aggre gate I Slump; 0-No. 4 No.4-H 7.00 8.00 8.00 8.00 8.00 8.50 8.50 Fineness Modulus 3.75 Per Cent 27.1 26.5 25.5 21.1 18.4 21.8 21.8 74.6 65.0 86.6 91.1 57.9. 67 i l 67.1 lililltaalcMaiMiitM} Sand and gravel aggregate.TM_____________ Sand and gravel aggregate used for calcu lations. Cores filled with 5.14 lb density cork. Crushed limestone aggregate--. .. . Cinder aggregate ~__ . Cinder aggregate used for calculations.___-- Cores filled with 69.7 lb density cinders------- Cores filled with 5.12 lb density cork Cores filled with 14.2 lb density rock wool-- Burned clay aggregate------------ Cores filled with 5.06 K> density Expanded blast furnace slag aagreente, 60% 126.4 134.3 86.2 S ll is! eP eD gg aS oo O C> 74.49 2.27 74.68 2.42 74.621 3.19 74.43 3.42 75.57 2.28 75.89 2.89 74.60 2.82 0.90f 1.00 0.56 0.86 0.58 0.60 0.39 0.25 0.27 0.50 0.21 0.49f 0.44 0.41 0.31 0.29 0.44 0.35 0.35 1.11 1.00 1.79 1.16 1.73 1.66 2.56 4.00 3.70 2.00 4.76 2.04 (4) (4) (4) (4) (4) ;4) 4) [4) ,'4) 4) 4) 4) |4) (4) (4) (4) /^l /"~N| Hi 'I fil y Sand and gravel aggregate___ ____________ Sand and gravel aggregate used for calcu lations. Cinder aggregate________ :__________ Cores filled with 5.24 lb density cork_ ' Burned clay aggregate Cores filled with 5.6 Jb density eork_ 86.2 76.7 Si-pfr'i- -r- d"!er aggregate... 100.0 Double wall with i in. air space betweenTM 100.0 1 in. spacefilled with 9.97 lb (tensity rock wool 100.0 0.78f 0.80 0.531 0.241 0.471 0.17t' (4) 1.88 4.16 2.13 5.88 (4) (4) l.OOf 0.36f 0.20f 1.00 2.78 5.00 --"P-- 5 X 8 X 12 block sand and gravel aggregate ^ir-j f-y HE. alira 5 x 8 x 12 block sand and gravel aggregate6. For notes see page 07. 98 0.38f (4) 0.95f (4) ^CHAPTER 4. HEAT TRANSMISSION COEFFICIENTS Table'2. Conductivities (fe) and Conductances (C) .of Building Materials and Insulators3--Continued The coefficients ore expressed in Btu per hour per square foot per detree Fahrenheit per1 in. thickness unless otherwise indicated. Material Description D enbttt (Lb per Cu Ft) s H -h* -- Ic> g? Is a8 i5 1g gg OO oo 11 igg 1 IPS OS H nB!e3i e < INSULATION--BLANKET OR FLEXIBLE TYPES Fiber--------------------------- INSULATION--SEMI RIGID TYPE Fibeb________________ INSULATION--LOOSE FILL OR BAT TYPE Fiber___________ Frag* , Glass WoolGranuzar__ Gtpkttm Mineral Wool_____ Regranulated Cork. Rock Wool_______ 8awdust_ Shavings. Typi Cbleeimically treated wood fibers held between layers of strong paper/-- Eel grass between strong paper/. Flax fibers between strong paper/TM___--_ Chemically treated bog hair Between kraft paper/ Chemically treated hog hair between kraft paper and asbestos paper/ Hair felt between layers of paper/Kapok between burlap or paper/__________ Jute fiber/-. Ground paper betweentwo layers, each %~m.! thick made up of two layers of kraft paper 1 (sample 2+in. thick). Stitchea and creped expanding fibrous blanket. Paper and asbestos fiber with emulsified asphalt binder. Cotton insulating bat-. 3.62 4.60 3.40 4.90 5.76 7.70 11.00 1.00 6.70 12.1 1.50 4.2 0.875 70 90 90 90 71 71 75 90 75 75 70 *94 72 0.27* 0.25 0.26 0.25 0.28 . 0.26 0.28 0.25 0.24 0.25 0.40t 0.27 0.28 0.24 Felted cattle hair/-. Felted hair and asbestos/-. 75% hair and 25% jute/__ and 50% jute/-. Felted jute and asbestos/___ Compressed peat moss_____ 13.00 11.00 7.80 ' 6.30 6.10 6.70 10.00 11.00 90 90 90 90 90' 75 90 70 0.26 0.26 0.28 0.27 0.26 0.25 0.37 0.26 Made from ceiba fibers/-- Fibrous material made from dolomite and silical Fibrous material made from slag--. Redwood bark___________________ Redwood bark_. Glass fibers 0.0003 in. to 0.0006 in. in dia- Made from combined silicate of lime and' ahimina. Expanded vermiculite, particle size --3+14 Flaked, dry and fluffy/___ --' All forms, typical_______________ About J^-in. particles______ :____ Fibrous material made from rock. Rock wool with a binding agent.......... .......... Rock wool with flax, strawpulp, and binder Rock wool with vegetable.fibers Vnrinnq ' .......-- Various from planer--_ From maple, beech and birch (coarse)-------- 1.90 75 1.60 75 0.23 0.24 . 1.50 9.403.00 5.00 75 103 90 75 0.27 0.27 0.31 ' 0.26 , 1.50: 75 0.27 4.20 6.2 34.00 26.00 24.00 19.80 18.00 ' 8.10 21.00 18.00 14.00 10.00 14.50 14.50 11.50 12.00 8^0 13.20 72 0.24 0.32 90 0.60 90 0.52 75 0.48* 90 0.35 75 0.34 0.27* 90 0.31 90 0.30 90 0.29 90 0.28 90 . 0.27* 77 0.33 75 0.38 72 0.31 90 0.41 90 0.41 90 0.36 3.70 4.00 3.85 4.00 3.57 3.85 3.57 4.00 4.17 4.00 (3) (i) a> a) (3) (3) (3) m (3) 2.50 3.70 3.57 4.17 ( (3) Cl) (3) 3.84 3.84 3.57 3.70 3.85 4.00 2.70 3.84 (1) O) (1) (1) < (3) > (3) 4.35 (3) 4.17 (3) 3.70 3.70 3.22 3.84 (3) (i> u> (3) 3.70 (3) 4.17 3.12 1.67 1.92 2.08 2.86 2.94 3.70 3.22 3.33 3.45 3.57 . 3.70 3.03 2.63 3.22 2.44 2.44 2.78 (3) 3) Cl) 1) 3) (3) CD Cl) 0) U) (l) (l) (3) (3) Cl) (1) CD For notes see Page 07. 99 /