Document QkNQ6YbLvLqGXreZR6y6oGv3E

American Society of Heating and Ventilating Engineers Guide, 1931 Table 8. Conductivities (fe) and Conductances (C) of Building Materials Tests Conducted by Various Authorities# Insulation Tests Based on Samples Submitted by Manufacturers Material Description Temp. (Deg. Fahr.) CONDUC-a TIVITY (k) OR Conduc tance (O " Authority Concrete...................... Concrete Slate Stone mir 95c. 6.27 C. L. Norton, Boston, Mass. 122 2.35 C. L. Norton, Boston, Mass. ...... 201 10.37 . Lees & Chorlton 10.0 Estimated* 1J in- Split Furring Clay Tile 2 in. Split Furring Clay Tile \Yl J "4 "T--1 z m_rc_n_zn --i--i--i--1 1.40b Estimated02 1.25b Estimated02 2 in. Furring Clay Tile z !--.I-- si ** 1.18b Estimated02 3 in. Furring or Partition Clay Tile 4 in. Partition Clay Tile 3 n i J-- * 4 *k 1.00b 0.93b Estimated10 6 in. Partition Clay Tile L 6 t*4 0.86b Estimated02 6 in. Load Bearing Clay Tile ` 8 in Backup Clay Tile - 6 n1 * 1| a i1 11 0.54b Estimated10 0.50b Estimated02 8 in. Backup Clay Tile 1l 11 8 1--1 1V 9 0.39b Estimated10 8 in. Load Bearing Clay. Tile 8 * 9, 0.49b Estimated02 aln addition to the conductivity values for the authorities listed, considerable work of importance pertaifling to the heat transmission of various types of construction and materials has been done by the late / Prof. John R. Allen 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 side of plate. Average of several yalues. ^Estimated 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 % in. thick and webbs in. thick. - , pSee Chapter LX, by Chas. H. Herter of the Report of the Insulation Committee, A. S. R. B., Annual Meeting 1932, 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 3--Heat Losses, by Transmission Table 8. Conductivities (k) and Conductances (C) of Building Materials (Continued) Tests Conducted by Various Authorities# Insulation Tests Based on Samples Material Description Mean Temp. (Deg. Fahr.) CONDUC- TIVITY (k) OR Conduc tance (O Authority 10 in. Load Bearing Clay Tile z= -- = 10 1i 0.46b Estimated10 12 in. Load Bearing Clay Tile 8 in. Concrete Blocks (hollow) 12 in. Concrete Blocks (hollow) 12 1F J r--i--t-- -- CZ1 12 1 *---------1 J 0.33b Estimated10 ,0.84b Estimated*1 0.52b Estimated0 8 in. Cinder Blocks (hollow) 8 Sr. kf i 0.45b Estimated0 12 in. Cinder Blocks (hollow) 1 cm czi 3 in. Gypsum Tile (hollow) 12 T T7 T 3 oooo ooo4 in. Gypsum Tile . 4 (hollow) 0.28b Estimated0 0.55b Estimated0 0.46b Estimated*! Rigid insulation made from wood fibei 52 0.33 E. A. Allcut . University of Toronto "nstimateo irotn air space conductance uai iu aauic o. auu a->tuuvu _-- _ Walls.of load, bearings tile, assumed ^ in. thick and webbs assumed % in. thick. Wallsof all other tile assumed H in. thick and.webbs H in. thick. ' Estimated from air space conductance data in:Table 3, and conductivity of concrete of 8.30 per lin. Shells and webbs assumed 2 in. thick.. Conductivity,of dry. Cinder Concrete assumed 3.33. .Estimated from air space conductance-data in Table 3. and conductivityof gypsum tile of 1.66 per 1 in. It is assumed that each tile has 4 cores per 12 in. width, eacb.lji iu. in diameter. Estimated 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 2J in. in diameter. 37 X