Document Oz0E76Rv3Ebzvj6gv43Nw4pmM

American: Society of Heating and Ventilating Engineers Guide, 1932 Table 8. Conductivities (k) and Conductances (C) of Building Materials Tests Conducted by Various Authorities.? Insulation Tests Based on Samples Submitted by Manufacturers Material Concrete____ _ Concrete Slate___________________ Stone 1H in* Split . Furring Clay Tile 2 in. Split Furring Clay Tile 2 in. Furring Clay Tite 3 in. Furring or Partition Clay Tile 4 in. Partition Clay Tile 6 in. Partition Clay Tile 6 in. Load Bearing Clay Tile 8 in Backup Clay Tile 8 in. Backup Clay Tile 8 in. Load Bearing Clay Tile Description m f 1 z huju___TLU1 r \ .* z 11 1 al * \* 3 f ^-- 4 111 1 f 6 1 <o * 11 8 11 11 f1 11 11 8 11 19 8 i* Mean Temp. (Deg. Fahr.) 95c 122 201 kCONDUC-* TIVITY ( ) OR .Conduc tance (O Authority 6.27 2.35 10.37 10.0 C. L. Norton, . Boston, Mass. C. L. Norton, Boston, Mass. Lees & Chorlton Estimated* 1.40b Estimated 1.25b Estimated 1.18b Estimated 1.00b Estimated 0.93b Estimated 0.86b Estimated 0.54b Estimated . 0.50b Estimated 0.39b Estimated 0.49b Estimated aln addition to the conductivity values for the authorities listed, considerable work of importance per taining to the heat transmission of various types of construction and materials, has been done by the late Prof. John R. Allen and the late Prof. A. J. Wood of the Engineering Experiment Station of Pennsylvania State College; bFor thickness stated or used in construction, not per 1 in. thickness. cHot side of plate. Average of several values. mEstimated from air space conductance data in Table 3, and Burned Clay conductivity of 5.0 per 1 in. Walls of load bearing tile assumed % in. thick and .webbs assumed % in. thick. Walls of all other tile assumed H in. thick and webbs H in. thick. } . pSee Chapter LX, byChas. H. Herter of the Report of the Insulation Committee, A. S. R. E., Annual Meeting 1922, Revised to .1924, entitled. Heat Transmission of Insulating Materials for a more compre hensive collection of heat transmission data relating to building and insulating materials. 36 Chapter '3s--Hea-t Transfer Through Materials and Constructions Table 8. Conductivities (&) and Conductances (C) of Building Materials (Continued) Tests Conducted by Various Authorities.? Insulation Tests Based on Samples ___________ Submitted by Manufacturers___________ __________________ Description Mean Temp. (Deg. Fahr.)' CONDUC-a ttvity (Ar) OR Conduc tance (O 10 in. Load Bearing Clay Tile 12 in. Load Bearing Clay Tile 10 i----r iz t--f--r 0.46b Estimated 0.33b Estimated*1 8 in. Concrete Blocks (hollow) 0.84b 12 in. Concrete Blocks (hollow) 8 in. Cinder Blocks (hollow) 12 in. Cinder Blocks (hollow) ~f----r 0.52b Estimated** 0.45b Estimated* 0.28b Estimated* 3 in. Gypsum Tile (hollow) 3 0000 0.55b Estimated 4 in. Gypsum Tile (hollow) OOO 0.46b Estimated* Ten Test.:__________ Rigid insulation made from wood fiber 52 0.33 E. A.^AUcut University of Toronto mEstimated from air space conductance data in Table 3. and Burned Clay conductivity of 5.0 per 1 in. Walls-of load "bearing tile assumed % in. thick and webbs assumed % in. thick. Walls of all other tile assumed H in. thick and webbs in. thick. *Estimated from air space conductance data in Table 3. and. conductivity of concrete of 8.30 per 1 in. Shells and webbs assumed 2 in. thick. Conductivity of dry Cinder Concrete assumed 3.33. Estimated froni air space conductance data in Table 3, and conductivity of gypsum tile of 1.66 per 1 in. It is assumed that each tile has 4 cores per 12 in. width, each 1$ in. in diameter. . qEstimated from air space conductance data in Table 3, and conductivity of gypsum tile of 1.66 per 1 in. It is assumed that each tile has 3 cores per 12 in. width, each 2H in- in diameter. 37