Document r4zvEm6dQwvr93rG91G2jZ07

1930American Society of Heating and Ventilating Engineers Guide, 11.Table Conductivities (k) and Conductances (C) op Building Materials Based on Tests Conducted by Various Authorities P Material Description Concrete........................_ Stone 1-2-5 Concrete.................... . Cinder 1-2-4 mix Slate. Stone. 1J4 in. Split . . Furring Clay Tile 2 in. Split Furring Cky Tile 2 in. Furring Clay Tile 3 in. Furring or Partition Clay Tile 4 in. Partition Clay Tile -n~- n -- n * fT 2 rm--iL_n 4 \ ~T J I tr=)c= z rf-- 3r -- 4 6 in. Partition Clay Tile 6 in. Load Bearing Clay Tile 8 in Backup Clay Tile 6 1 11 1 *4 <S ,f t n i a Mean Temp. (Deg. Fahr.) CONDUC-a TIVITY (k) OR Conduc tance (C) Authority 2.35 10.37 10.0 C. L. Norton, Boston, Mass. C. L. Norton, Boston, Mass. Lees & Chorlton Estimated 1.40b Estimatedm 1.25b Estimated m 1.18b Estimatedm 1.00L Estimatedm 0.93b EstimatedTM 0.86b Estimatedm 0.54b Estimatedm 0.50b Estimatedm nnn 8 in. Backup Clay Tile 8 in. Load Bearing Clay Tile 8 i 1 ^--i-- n 0.39b Estimatedm 0.49b ]Estimatedm m duauion to cne 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. Alien and 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. Hot 6ide of plate. Average of several values. - 1 mEstimated from air space conductance data in Table 6, and Burned Clay conductivity of 5,0-per 1 in. Walls of load bearing tile assumed % in. thick and vfebbs assumed % in. thick. Walla of all other tile assumed % in. thick and webbs K in. thick. pSee Chapter LX, by Chas. H. Herter of the Report of the Insulation Committee, A. S. R. ., 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. 28