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American. Society of Heating and Ventilating Engineers Guide, 1935
Table 6. Coefficients of Transmission (U) of Frame Interior Walls and Partitions'1
Coefficients arc expressed in Blu pa hour pa square foot pa degree Fahrenheit digaence . temperalu. between the air on the two sides, and are based on stiU air (no wind) conditions on both sides. *ae
TYPICAL construction {turret, errors .
DOUBLE PARTITION
(Finished. on Both Sides or Studding)
Single
j; I'fgp.
Wall
No.
Pabtition
(Finish
on One
Air
Side or Space Studding; Between
Studdinf
Flaked GWiT
Between Studding
Rock
Wool
Fill* Between Studding
4-in.
Flexible
Insulation oS'teits
Between Studding (One Air
Bright Alnini^ Foil
- ru/ten-M/er------ -
Space)
Type of Wall
Wood Lathand Plaster On Studding
Metal Lath and Plaster* On Studding
Plaster Board in.) and Plaster- On Studding
H in. Rigid Insulation and Plaster- On Studding
1 in. Rigid Insulation and Piaster- On Studding
1)4 in. Corkboard and Plaster- On Studding
2 in. Corkboard and Plaster- On Studding
53 54 55 56 57 58 59
A 0.62
B 0.34
C 0.11
0.69 0.39
0.11
0.61 0.34
0.10
0.35 0.18
0.083
0.23 0.12
oioee
0.16 0.081 0.052
0.12 0.063 0.045
D 0.005 0.066 0065 0.056 0.048 0.040 0.035
E 0.21 0.23 0.21 0.14 0.097 0.070 0.057
F 0.24 0.26 ~ 0.24 ~~ 0.15 0.10 " 0.073 ~~ ; 0.059 " |
Computed from factors marked by in Table 2. `Plaster on metal lath assumed J*-in. thick
`Thickness assumed 3*$ in.
'Plaster assumed H-in. thick.
Table 7. Coefficients of Transmission (U) of Masonry Partitions'1
Coefficients are expressed in Bin per hoar pa square foot pa degree Fahrenheit digaence in temperature between the air on the two sides, and are based on still air (no wind) conditions on both sides.
TYPICAL construction
No.
Plain Walls
(No Plaster)
Walls Plastered on One Side
Walls 1 Plastered on Both Sides
Type of Wall
4-in. Hollow Clay Tile 4-in. Common Brick 4-in. Hollow Gypsum. Tile 2-in. Solid Plaster
60 61 62 63
Computed from factors marked by * in Table 2. 106
A 0.45 0.50 0.30
--
B 0.42 0.46 0.28
C 0.40 0.43 0.27 0.53
T a b l e s . C o e f f ic ie n t s o f T r a n s m is s io n { U ) o f F r a m e C o n s t r u c t io n F lo o r s a n d 1C e il in g s
Coetfcienls are expressed in Btu per hour per square foot per degree Fahrenheit difference in temperature between the a ir on the two sides, and are based on stiU a ir (no toind) conditions on both sides. j
TYPICAL CONSTRUCTION
-Heat Transmission Coefficients and Tables
eo 00
d cd d
0.094
-o
C
0.34 0.25 0.24 0.15 0.15
'O. 19
0.060
) i- \n.
Battleship Linoleum on Yellow
Pine Flooring*
11*0 .
0.34 || 0 .2 5 _ |[ 0.24 0.24 0.18 0.15 I 0.060 |
j
Yellow Pine Flooring on
Rigid Insulation 1 on Joists I ;
0.46 | '0.27 | 1
0.30 [ ',0.21 | 1 0.28 | 0.28 | 0.21 I | 0.17 0.22 j 0.10 | | 0.087
n o
91*0;
O 5Z
J
b o
B
M a 4>'m 6 i.3s
Sis!-
!J=g3
Q
0
if*
CO
U5
o o eo W CN d 6
s = .
91 ' 0
CO d o
j 0.59 | 0.067
| 0.35 |
| 0.61 |
| 0.62 |
|
1
|
1
|
: 1
INSULATION BETWEEN JOISTS N o . No Flooring
| 0.69
<
* - re to w
wd d
d d
| [
oo O' .
1None
1
11N o n e j None 1N one 1None | B rig h t A lu m in u m Foil*
e
$a
c0 5
s c
3e a
3.
1
m G
3 H
o
V
bs
e
_c 1
s
5 2e
J0g9
cs b
s0o1
c
os a
J3 5
s -ChCOoOl
u
eocs <3ee
MV S
ss
107
a
X
b
I
1
.5 $
et
b
0 C
8 CS bc
V G
5
os
A*>
2
o u
s34
'
o
A
Uoa
T y p e o f C e il in g No C elling M e ta l L a th and Plaster (% in.) Wood L a th and Plaster M etal L a th and Plaster M etal L a th and Plaster M etal-Lath and Plaster
| None None
C orkboard (2 in.) and P laster ( ) 4 in.)
0.094
"Computed from factors marked by * in Table 2.
^Thickness assumed to be *56 in.
Thickness assumed to be % in.
6, g.
eD :
*
'O
. . H c
.<o5
JS
*