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m m B 438 CHAPTER 24 1965 Guide And Data .Book Table 128 ;. Coefficients cfTrurisniiiiion'{u} of CooCTereTkxw-Cemng Constructions* (Summer Conditions; Oovmward Row) , CwffidMli arm expretsed b 'Bhi per' (hour) (square fool) (Fahrenheit degree difference in temperature between Ore air on the two ddes), and are bated oa tfSI air (no wind) condition* on both tides Example Hoot X 2 Cxsmpfe of Substitution ,Resistancea used are gieen below in this - table or in Table S or 4 Construction.(beat flow-down) Resistance (A) 1. Top surface (still air)................... ........................................... 0.99 . 2.. Ijnrdnum or tile (av. ft)........................... .................... 0.06 3.'Concrete slab 4'in.-(av. ft)............... ............. ............... 0.40 4. Air space* (8 in:)..................................................... . 0.99 . 5- Metal lath and X in. plat' (sand agg.)............................... O.IS . 6. Bottom surface (still air).............................................. 0.99 Total resistance............. ............... ........... ............... 8.41 " U~l/Rl/3.41 ............. ............ ............. 0.29 , Bee value 0.29 in bold face type in table below. Resistance* used ore given below in this table or in Table 8 or 4 Replace item 2 .with wood subfioor (*/ in.), felt and hardwood (X in.) (Floor on sleepers) Total resistance............................................ 8.41 Deduct 2. Linoleum or tile...-......................................................0.05 Difference...........................................................................................S.S8 Add 2. Hardwood (X in.)................................. . 0.68 2a. Felt...................................................................... 0.00 2b. Wood subfloor (/,, in.)..... .....................0.55 2c. Air space,(X in.)........... ............................... 0.86 9167 Total resistance...................................... 6.98 (7l/ft~l/5.05............................................................................ 0.17 To Adjust U Vatuei for CoostnKtien with Added fMufation in Air Space above Suspended Ceiling, See Table 16 Type of Ceiling * Type of dick '' i Type of Finish Floor j Kesistance . Celling Applied Suspended CeiCng Directly,to Slab Gypsum bd. (H in.) and Has Metal lath and pias. ' Acoustical tOe Acotntlcal Ptat. tile-- glued ' (U [Sand No wt. aggj agg.) Vi in. e Z0 ` , [li. wt. agg.) Vs bv (Sand agg.) 14 bt 0.08 0.02 % ttbi. in. 1J8 0.32 0.64 0.41 6 On furring On Z gypsum (U. [Sand dwnneb bd.(%ia) wt ago*) agg.) Min. Kin. Vs M K M la ia ia ia 0.47 0.13 U? 178 fAI 2.10 1I r s 1w Material -.It Metarlol - UU O 0 u 'U U U QR ST U V0 Vw 0 0U 00 X Y Z Z' Z" None....-. .V.. t.. - 0.45 0.43 0.44 0.29 0.25 0.28 0.26 0.27 -0.27 0.30 CK23 0.20 Q.21 0.19 1 Fkwr tile* or linoleum ; (X in.).... 0.06 0.44 0.42 0.43 0.29 0.25 0.28 0.26 0.27 0.27 0.29 0,22 3.20 ^0.21 0.19 , Concrete*1 fnand age.) (4 in.) 0.89 0.4C (6 in.); 0.45 Wood.block-^/u in.) on slab............................... 0.7A 0.34 Floor on sleepers Plywood subfloor (X in.), felt and floor tile* or linoleum (X . ,m.).......................... 0.89 0.23 0.33 0.23 0.33 0.24 0.21 0.23 0.23 0.18 0.17 0.19 0.22 0.23 0.18 0.19 0.23 0.24 J.tfl 3.17 3.18 3.17 0.18 0.20 0.16 0.15 0.15 0.14 2 S 4 Wood subfloor ' (**/ 0 ~ 1 -fin.), felt and-hard- 1 wood (X in.)..`......... 1.79 0.20 0.19 0.20 0.16 0.15 0.16 0.15 .0.16 0.16 0.17 0.14 0.13 0.14 0.13 5 : v n. -.: /None.*;.;____ -- 0.39 0.38 0.39 0:27 0:23 0:26 0.24 0.25 0.25 "0I27 0.21 6.19 0.20 0.18 6 Floor tile* or linoleum ! "'(X in.).'.. 0.06 0.38 0.37 0.38 0.26 0.23 0.26 0.24 0.25 0.25 0.27 0.21 0.19 0.20 0.18 {> Concrete4 i (sand agg:) ; * Wood block 0*/ia in.) on ; slab.................... .......... 0.74 0.3C 0.30 (8 in.) 0.64 o!r* Floor bn sleepers (lOIin.). > 0.50 u -Plywood subfloor (X in.), felt and floor tile* or linoleum (X i. t ? _ in.).:.....,*.;*;;/ 0.89 0.22 .0.21 0.30 3.22 0.20 0.22 0.22 0.17 0.16 0.18 0.20 0.17 0.21 0.18 0.21 0.17 0.23 ).18 ).16 >.17 );16 0.18 0.15 0.14 0*15 0.14 7 8 9 Wood"subfioor "(**/** in.)r felt and hardwood (X-to-),. ..*,* 1.7^ 0.19 0.18 .0.18 0.15 o.u 0.16 0.15 0.15 0.15 0.16 0.14 0.13 0.13 0.12 10 ***4.* See Kill! HjHfootnote! Tltifl I9A Design Heat Transmission Coefficients 439 Table 13A .... Coefficients of .Transmission (U) of Rat Masonry Roofs with Built-up Roofing, with ,and without Suspended Ceilings* (Winter Ccflditiom,;Upword flow) Jiese Coefficients are expressed in Bfu pet (how) (square foot) (Fahrenheit degree difference in temperature between the cir an the two defer), end ore based 00 cni outside wind vefeeffy af 15 mpft Example--K 4 Resistances used are given below in this I ] fxompl* 0/ Si/bdifatfoq Resistances used are given below in this table or in Table S or 4 Construction (hteabaltefloorwinupT)able 8 or 4Resistance (ft) ' Replace item 4 with 4 in. concrete slab (gravel agg.) and roof insulation (C -- 0.38) on top of slab- 1. Outside surface (15 mpn wind)......................... 0.17 Total resistance.............................................. 4.66 2. Built-up roofing--X in......................................... 0.35 3. Roof insulation (none)'.......................................... -- De4d. uCcotncrete slab (It. wt. agg.) (2 in.)........:. .9.99 - 4. Concrete slab (It. wt. agg.) (2in.)........... 9.99 5. Corrugated metal................................................... 0 6. Air space*..................................................................0.85 7. Metal lath and % in.plas. (It.wt. agg.)___0.47 8. Inside surface (still air)...................................... 0.0/ ............ 9.48 UAiduder3e.neReoof-i;nsula\tvion :(/C/, >- X0.i3k6\ )....- 9.78 ' 4. Concreteslab (gravelagg.)4m... 0.44 3.99 Total resistance 6.6S Total resistance.................. 1.66 U - i/R = i/6.$6 ................................................ 0.18 V - 1/ft - 1/4-05 -............................ .......... 0.22 See value 0.22 jn,boldface type in table below. To Adjust U Values for C n in Air Space, See Tabfe 16 Bopf Insulation No CeOing C value of roof insulation Suspended CeBing* Gypsum bd. Metal lathi m ^ i and plas.1 and plo*. On gyp- Type of Oedc Type of Fora " Materia) Matwia) I Concrete slab4 Gravel agg. (4 in.).. 0. (6 in.).. 0. (Sin.).. 0. Lt. wt. agg.* (2 in.).. 9. (3 in.).. 3-53 (4 in.).. 4**44 Temporary................ . -- Temporary............ .......... Temporary.......................... Corrugated metal*............ Insulation bd. (1 in.) .. - Insulation bd.- (IX in.) ; Glass fiber bd. (1 in.) -- Corrugated metal* .. - -- Insulation bd. (1 in.)... Insulation bd. (IX in*)Glass fiber bd. (I m.)... Corrugated metal* I Insulation bd. (1 in.)... I Insulation bd. (IX in*) Glass fiber bd. (1 in.)... 9.57 0 Lr.7M00..3106100..12311( 4.17 0.13 0:il 4.0010.14 0.11 ,0 0.23 0.17 5.75|0.14 0.12 too7l(10'0*:1122 0.10 0.10 t|oj-7' 8j\too..1is2100..1104 7(\0l. 0 0.09 u'.oo]10.10)0.09 0.18,o.iao.i2 0.io 0.17 0.150.120.10 0.17 0.12 0 0.34 0.32 0.31 0.41K 0.391 3.37K 0.25 0.26 0.24 0.25 i 0.23 0.24 16 0.13' 110.10 ioto.09 0.09 ( 0.12 ( 0.09 0.08 0:08 0.10 10.08 10.07 10.07 0.10 c 0:08 C 0.07 ( 0.07 ( I O-OSk 10.07< '0.07k ' 0.071 ) 0:081 rk>.07i ro.061 7I0.06I 0.22 ( 0.14 ( 13 0.14 0. 0.12 uo.iito. 0.12 110.12H): 0.18 17 0.18 0. 0.12 no.i2to. 0.10 loo.ioto. 0.10 0.100. 0.150 0.150 i 0.110 0.100 >0.09 0. 0.090 10.090 0.090 0.23 19 0.17 0.18 0.14 120.11 0.12 0.12) 10 0.10 I0.12l0.lll 0.10 17 0.18 0. 150.14 |0:15|0.14| 12 0.12. 0.10 9 .101to. 10 > IOO.IOO: 0.09 0.091' IOO.IIO: 0.09 0.091 I5to.15l0.13 0.12 I3to.l2l2 1100(00..1111!0.100.09 09 0.09 0.08 0-08 09 0.0099W OSl0O.-008814 .08 0.08U5 Gypsum slab* (2 in.).. 1.90 (3 in:).; 1.8 (4 in.).. *.40 Gypsum bd. (X in*).......... Insulattoa''bd.- (I in.) Insulation bd. (IX in*)'... 0.24 0.15 0.13 i[o:i4H ;0.m .to.09l 0.11 c 0.09 ( 0.08 ( Asbestos-cement bd.' Win.)-.-...............- Glass fiber bd* (1 to-) - ..'. Gypsum bd. (X in*) '*.: Insulation bd. (1 ia. Insulation bd. (IX in*) - Asbestos-cement bd. (Xin*. Glass fiber bd. (l.in.)___ Gypsum bd. (X in.)......... . Insulation bd- (l in.).___ j Insulation bd. (IX in ) - - 0.O0O 0.26 0.: M0.15F E 0.11( 4.000 0.450 0.13 0. 10.10 0.21 0.; 5(0.13} 1 0.08 ( 2 0*10 8.78 0 4./70 0.140. 2 0.10 0.12 0. 30.09 ) 0.08 J0.07 0.00 0 0.23 |0.l7k).14k).12 0.10 4.000 10(0-09 0.< 0-07 0.45 0 0.19 150.12 0.: 0.09 8.75 0 rlltO-lO 0.1 0.08 4./70.13 .10 0.08 0.1 0.07 I Asbestos-cement bd. (X in.)........................... | Glass fiber bd. (l in.) 10*200.16[0.13 ;to.nio.ioo.o9 0.25 to. 16 24 0-25 C 150.16C 25]0.27jto-.2lto.19 160.16(10.1410-13] 0.13k 13 0.13 C 0.11 ( 0.27to. 25 0.26 ( 0.13 0 13 0.13 ( 10.220 21 0.22 to. 15 0 14 0.14 i 0.12r0 120.12 110.24(0 ' 0.24 'to. 12k) 0.12 i[0-1910 0.19 no. 130 0.13 io.nto. 0.11 0.20 < 1819 0.121 1120 0.17W |0.15|0.130. 0.121 12 0.120. lli 0.11 23to:25to.20 :0.19V 10.11 .10 25 i 0.16 ;14 26 130.ufo.12to. 11 0.12 .1127 1lll1O0..1l 20.10to.10 0.10 .09 28 , 0ffld.2lto.20to.2lto.20|o.22|fo.l8to. 15)29 .O6to.12l0.lll0.llto 1llQ.l2lw0.-1in0!tno.l0l0.10l0.l0l30 . *Bw textaecUoa CwfeiflaUm QvwllCwffitaeaU Iw b*Ms ct ciJoifetjotw, - Toadimt tl tnf (>* nMI"ll"[ --t >* * 0 valnca would abo apply if kb wen poured oa metal lath, paper-backed wire, fabric, or aafaeatoa cement board G4 ia.). ^*cla assumed to bare a thermal conductivity k of tinaad adesaity of Idth per ea ft. * Concrete aaaamed to bane thermal ooadactivity t of 0-80 made deoaity of M tb per cu ft. Oypsum slab SM ia. thick emce this b recctsuseaded praeUee. -' Qypeom fiber conenrtc with 1S)4 percent wood chi-pe (thermal eoadoctivlty k bM): 8ee Table 10 E for U value of roof aad omliac construction with roof inmitstus added to roof deck.