Document ypG4dX8q43MyvKgMGaRax6Jo2

120 CHAPTER. 6 1949 Guide:' WHe.a- t^Transmission Coefficients of'Building Materials jj (C)Table.2.- Conductivities (k) and Conductances ofBuildingand Insulating Materials--ContiDued These constants ass expressed in Btu per (hour) (square foot) (Fahrenheit degreetemperature difference). Conductivities (k) are'per inch thickness and conductances (O) are for.thickness or- construction stated, not per. inch thickness. Table 2.. ..Conductivities (A)and Conductances (C) of Building and Insulating Materials--Continued These consCtaonntsdaurcetievxitpieress(s4e)dainre Bpetur ipnecrh(hthoicukrn) e(ssqsuaanrde f.cooont)du(cFtaanhcreesnh(Cei)t daergerfeoertethmicpkenreastusroerdifference*)' construction stated, not per.inch thickness. MASONRY MATERIAL --(Continued) Conchxtb---{Continued)-- 8 In. Concrete Blocks llltK>ICMaH*WM Description CONDCCTTVITT DsNsrrrj (Lb per Mean| Temp OB CONDUCTANCE Cu Ft) ^,a| (*) (O Resistance Per Inch - For (t) .(*) Material Expanded vermiculiteaggregate------ -- Expanded vermiculite aggregate......... Concreteplank ----- .-----------------------Cellular concrete_______----. Cellular concrete. .....-.... --...--...... Cellular concrete..___________ --............ Cellular concrete. --:------------------------- 85 50 76 40.0 50.0 60.0 70U) 1 In. three oral core, sand and gravel aggregate*--------------- -------- -- I in. three oval core, crushed limestone aggregate*............................ --..... _. t b. three oval cere, cinder aggregate*.... I in. three oval core, burned day aggre- $ate*.-..-.--..-.--.-.-..-.-.-.-..-.-.-.-..-.-.-.-..-.-.-.-.-.-.-.._.._.._.._.._.. _ in.-three oval core, expanded blast furnaceslag aggregate* 126.4 134.3 S6.2 67.7 036 MO 23 .1.06 1.44 130 2.18 1.16 0.91 0.40 0.94 0.69 036 0.46 WOODS--(Cotinued> (4) 036 038 1.16 1.73 SB 2.00 ttl 2.04 (4) Description iNsrrr FSB *u Ft) rfEAN Temp Pin Deg) Conduct]TITT OB Conduct INCS (k) (O RESISTANCE !>er Inch rhickness . For rblcknese Luted (t). (i) aOXs 5 < Hard maple, 0 per cent moisture*_____ Maple-__ __--____________________ ... Maple, across grab Norway pbe, 0 per cent moisture*.....'... Red cypress, 0 per cent moisture*_____ Rtieed fWfi 0u per ctxeunht mmoisuturue*.. Mv-----Short leafyellow pine, Oper cent moisture* SDOofltt deumn.. 0v per cent moisture*------------------- I Soft made, 0 per cent moisture*-----Sugar pise, 0 per cent moisture*.: VV IiTrggiHnUiaa piunree...--------------v'T"-- We3t coast hemlock, 0 per cent moisture* White pine.. Yellow pine Sawdust, various-- Shavings, various from planer........... .-- Shavings, from maple oecch and birch (coarse)----~---- 45.0 443 . 40.0 323 32.0 48.0 363 34.0 42.0 28.0 343 303 313 12.0 83 13.2 75 86 75 75 75 75 75 75 75 75 86 75 89 90 90 90 1.05 UO 130 0.74 0.79 1.18 0.91 038 0.95 0.64 0.96 0.79 0.78 1.00 0.41 0.41 036 -- __ _ _ w -- w -- __ .... w. , _ *-- 0.95 0.91 033 135 137 035 1.10 1.14 1.05 136 1.04 137 1.28 1.00 2.44 2.44 2.78 ..f. . -- _ .. -- _ ____ ____ -- - . - -- -- (4) 1) ?! 4) 4) 4) 4) 4) 4) (4) U) (4) 0) (3) il> (1) -- (1) 12 In. Concrete Blocks Oft - *irAw- 1 W- PS y 12 b. three ova core, sand and gravel aggregate*..____________ ___ ___ --___ 12 in. three oval core, cinder aggregate _ 12 in. three oval care, burned day aggregate*------------------ ----.------- 124.9 S6.2 Gypsum-. 3 in. solid gypsum partition tile*______ 3 in. three cell gypsum partition tile*___ 4 in. three cell gypsum partition 87Ytper centgypsum, 12V6 per cent wood chips. > 51.2 Gypsum plaster-- PLASTERING MATERIALS Gypsum plaster, % b. thick. Cement plaster. Wood, lath and plaster, total thickness H b________ _______________ Gypsum plaster and expanded\ vend* - culite, 4 to 1 mix. Insulating plaster 0.9 in. thick applied to H in. gypsum board 39.9 54.0 ROOTING Asbestos shingles... Asphalt, composition or prepared..! Asphalt shingles-- BuiiUip roofing, bitumen or felt, gravel or slag surfaced*__ __ Sate. Wood shinies... 65.0 70J) 70.0 Balsa... 20.0 8.8 73 California redwood, 6 per cent moisture*.., 28J) Cypress.. 28.7 Douglas fir, 6 per cent moisture*-.__ ___ 34.0 Eastern hemlock, 0 per cent moisture*-- 30.0 Long leaf yellow pine, 0 per cent moisture* 40.0 Mahogany..............L.._________ _ 343 0.78 138 033 138 135 1.67 1.66 0.60 3.30 030 0.11 0.40 133. 1030 038 038 033 0.70 0.67 0.67 0.76 036 0.90 0.17 0.15 0.15 0.75 (2) 0.10 1:72 2.63 3.03 1.43 1.49 1.49 1-32 1.16 1.11 INSULATING MATERIALS Blanut and.Bat j Insolations ---- Chemically treated wood fibers held hetwceo layers of strong paper--:.--.___ Ed grass between strong paper___ Ed grass between strong paper...... Flax fibers between strung paper.... Chemically treated bog hair between kraft paper. Chemically treated hog hair between kraft paper and asbestos paper. Bair frit between layers of paper- Kapok between burlap or paper--...---- Stitched and creped expanding fibrous blanket-------------------- Paper and asbestos fiber with emulsified asphalt binder. Cotton insulating bat!_____ _______ Cotton fibres " Short Staple Unters, Fireproofed..:.. Short Staple Lintere, Fireproofed.:....... Short Staple IintervFireproofed--...... Short Staple Lintere, Fireproofed:...;.'... Short Staple Lbters, Fireproofed---- Short Staple lintere. Fireproofed.____ Feited cattle hair. Felted cattle hair.. Fdtcd hair and asbestos..._________ Ground paper between two layers, each H in. thick made up of two layres of baft pager (sample K b. thick)-!------ Mineral Wool_____ --...... ............... ' 3.62 70 ` 4.60 90 3.40 . 90 4190 90 ..5.76 71 '7.70 ii.oo 1.00 '71 75 90 J30 . 70. 43 .0* 0375 72 6.25 4302.45 1.60 035 0.65 13.00 41.00 730 90 90. 90 90 90 90 90 90 90 12.1 - 4.S. 75 035 .' 0.26. 0.25 0.28 . 0.26 . 0.28 .035 034 0I27; 038 , . 034. : 6.25 034. . 034 036 0.29 030 0.26 0.26 0.28 0.27 -- __ - _ -- -- __ -- -- 0 40 - 4.00 335 4.00 337 335 337 4.00 4.17 3.70 337 4.17 4.00 4.17 4.17 335 3.45 333 3.84 334 337 3.70 ....... -- :-- -- -- -- -- -- -- ... . ____ ____ . ___ ____ ....... -- . 230 .----- (3) 1) 1) (1) (3) (3) ?) (11 (3) (l> ^3) a) (!) 0) !! (!) (1) (1) (1) (4) See Table 1, Section C.~ -- --- -- Insolatikq Board-- Made from sugar cane fiber..... Made from corn stalks-, Made from exploded wood fibers-- Made from bard wood fibers----. Made from wood fiber.---------------Made from wood fiber-- Made from wood fiber... Made from wood fiber... Made from wood fiber... Made from wood fiber.:. 133 15.00 17.90 1530 15.90 1530 - 830 1530 16.90 70 71 78 70 72 70 52 72 00 033 033 032 032 033 033 033 039 033 034 w. .... -- . -- W r 3.03 3.03 3.12 3.12 3.03 3.03 3.03 3.45 3.03 2.94 -- -- ____ -- '-- .------- (3) (3) (4) (3) (3) 3) (6) (3) 0) (1) See footnotes on' first page of Table 2. See footnotes on first page of Table 2.