Thermal properties for roof and wall construction details
From ASHRAE (1989), with permission
Code |
Description |
Thickness and thermal properties |
|||||
Thickness, |
Thermal conductivity, |
Density, |
Specific heat, |
Thermal resistance, |
Mass, |
||
A0 |
Outside surface resistance |
0 |
0 |
0 |
0 |
0.33 |
0 |
A1 |
1 in. Stucco |
0.0833 |
0.4 |
116 |
0.2 |
0.21 |
9.7 |
A2 |
4 in. Face brick |
0.333 |
0.77 |
125 |
0.22 |
0.43 |
41.7 |
A3 |
Steel siding |
0.005 |
26 |
480 |
0.1 |
0 |
2.4 |
A4 |
1/2 in. Slag |
0.0417 |
0.11 |
70 |
0.4 |
0.38 |
2.2 |
A5 |
Outside surface resistance |
0 |
0 |
0 |
0 |
0.33 |
0 |
A6 |
Finish |
0.0417 |
0.24 |
78 |
0.26 |
0.17 |
3.3 |
A7 |
4 in. Facebrick |
0.333 |
0.77 |
125 |
0.22 |
0.43 |
41.7 |
B1 |
Air space resistance |
0 |
0 |
0 |
0 |
0.91 |
0 |
B2 |
1 in. Insulation |
0.083 |
0.025 |
2 |
0.2 |
3.33 |
0.2 |
B3 |
2 in. Insulation |
0.167 |
0.025 |
2 |
0.2 |
6.67 |
0.3 |
B4 |
3 in. Insulation |
0.25 |
0.025 |
2 |
0.2 |
10 |
0.5 |
B5 |
1 in. Insulation |
0.0833 |
0.025 |
5.7 |
0.2 |
3.33 |
0.5 |
B6 |
2 in. Insulation |
0.167 |
0.025 |
5.7 |
0.2 |
6.67 |
1 |
B7 |
1 in. Wood |
0.0833 |
0.07 |
37 |
0.6 |
1.19 |
3.1 |
Code |
Description |
Thickness and thermal properties |
|||||
Thickness, |
Thermal conductivity, |
Density, |
Specific heat, |
Thermal resistance, |
Mass, |
||
B8 |
2.5 in. Wood |
0.2083 |
0.07 |
37 |
0.6 |
2.98 |
7.7 |
B9 |
4 in. Wood |
0.333 |
0.07 |
37 |
0.6 |
4.76 |
12.3 |
B10 |
2 in. Wood |
0.167 |
0.07 |
37 |
0.6 |
2.39 |
6.2 |
B11 |
3 in. Wood |
0.25 |
0.07 |
37 |
0.6 |
3.57 |
9.3 |
B12 |
3 in. Insulation |
0.25 |
0.025 |
5.7 |
0.2 |
10 |
1.4 |
B13 |
4 in. Insulation |
0.333 |
0.025 |
5.7 |
0.2 |
13.33 |
1.9 |
B14 |
5 in. Insulation |
0.417 |
0.025 |
5.7 |
0.2 |
16.67 |
2.4 |
B15 |
6 in. Insulation |
0.5 |
0.025 |
5.7 |
0.2 |
20 |
2.9 |
B16 |
0.15 in. Insulation |
0.0126 |
0.025 |
5.7 |
0.2 |
0.5 |
0.1 |
B17 |
0.3 in. Insulation |
0.0252 |
0.025 |
5.7 |
0.2 |
1 |
0.1 |
B18 |
0.45 in. Insulation |
0.0379 |
0.025 |
5.7 |
0.2 |
1.5 |
0.2 |
B19 |
0.61 in. Insulation |
0.0505 |
0.025 |
5.7 |
0.2 |
2 |
0.3 |
B20 |
0.76 in. Insulation |
0.0631 |
0.025 |
5.7 |
0.2 |
2.5 |
0.4 |
B21 |
1.36 in. Insulation |
0.1136 |
0.025 |
5.7 |
0.2 |
4.5 |
0.6 |
B22 |
1.67 in. Insulation |
0.1388 |
0.025 |
5.7 |
0.2 |
5.5 |
0.8 |
Code |
Description |
Thickness and thermal properties |
|||||
Thickness, |
Thermal conductivity, |
Density, |
Specific heat, |
Thermal resistance, |
Mass, |
||
B23 |
2.42 in. Insulation |
0.2019 |
0.025 |
5.7 |
0.2 |
8 |
1.2 |
B24 |
2.73 in. Insulation |
0.2272 |
0.025 |
5.7 |
0.2 |
9 |
1.3 |
B25 |
3.33 in. Insulation |
0.2777 |
0.025 |
5.7 |
0.2 |
11 |
1.6 |
B26 |
3.64 in. Insulation |
0.3029 |
0.025 |
5.7 |
0.2 |
12 |
1.7 |
B27 |
4.54 in. Insulation |
0.3786 |
0.025 |
5.7 |
0.2 |
15 |
2.2 |
C1 |
4 in. Clay tile |
0.333 |
0.33 |
70 |
0.2 |
1.01 |
23.3 |
C2 |
4 in. L.W. concrete block |
0.333 |
0.22 |
38 |
0.2 |
1.51 |
12.7 |
C3 |
4 in. H.W. concrete block |
0.333 |
0.47 |
61 |
0.2 |
0.71 |
20.3 |
C4 |
4 in. Common brick |
0.333 |
0.42 |
120 |
0.2 |
0.79 |
40 |
C5 |
4 in. H.W. concrete |
0.333 |
1 |
140 |
0.2 |
0.33 |
46.7 |
C6 |
8 in. Clay tile |
0.667 |
0.33 |
70 |
0.2 |
2 |
46.7 |
C7 |
8 in. L.W. concrete block |
0.667 |
0.33 |
38 |
0.2 |
2 |
25.3 |
C8 |
8 in. H.W. concrete block |
0.667 |
0.6 |
61 |
0.2 |
1.11 |
40.7 |
C9 |
8 in. Common brick |
0.667 |
0.42 |
120 |
0.2 |
1.59 |
80 |
C10 |
8 in. H.W. concrete |
0.667 |
1 |
140 |
0.2 |
0.67 |
93.4 |
Code |
Description |
Thickness and thermal properties |
|||||
Thickness, |
Thermal conductivity, |
Density, |
Specific heat, |
Thermal resistance, |
Mass, |
||
C11 |
12 in. H.W. concrete |
1 |
1 |
140 |
0.2 |
1 |
140 |
C12 |
2 in. H.W. concrete |
0.167 |
1 |
140 |
0.2 |
0.17 |
23.3 |
C13 |
6 in. H.W. concrete |
0.5 |
1 |
140 |
0.2 |
0.5 |
70 |
C14 |
4 in. L.W. concrete |
0.333 |
0.1 |
40 |
0.2 |
3.33 |
13.3 |
C15 |
6 in. L.W. concrete |
0.5 |
0.1 |
40 |
0.2 |
5 |
20 |
C16 |
8 in. L.W. concrete |
0.667 |
0.1 |
40 |
0.2 |
6.67 |
26.7 |
C17 |
8 in. L.W. filled conc. blk. |
0.667 |
0.08 |
18 |
0.2 |
8.34 |
12 |
C18 |
8 in. H.W. filled conc. blk. |
0.667 |
0.34 |
53 |
0.2 |
1.96 |
35.4 |
C19 |
12 in. L.W. filled conc. blk. |
1 |
0.08 |
19 |
0.2 |
12.5 |
19 |
C20 |
12 in. H.W. filled conc. blk. |
1 |
0.39 |
56 |
0.2 |
2.56 |
56 |
E0 |
Inside surface resistance |
0 |
0 |
0 |
0 |
0.69 |
0 |
E1 |
3/4 in. Plaster or gypsum |
0.0625 |
0.0925 |
100 |
0.2 |
0.675 |
6.3 |
E2 |
1/2 in. Slag or stone |
0.0417 |
0.83 |
55 |
0.4 |
0.05 |
2.3 |
E3 |
3/8 in. Felt and membrane |
0.0313 |
0.11 |
70 |
0.4 |
0.29 |
2.2 |
E4 |
Ceiling air space |
0 |
0 |
0 |
0 |
1 |
0 |
E5 |
Acoustic tile |
0.0625 |
0.035 |
30 |
0.2 |
1.79 |
1.9 |