Walls |
|
Material |
R Value |
Outside air film |
0.170 |
3/4 plywood |
0.93 |
air vapor |
0.68 |
drywall |
0.32 |
|
|
|
|
Total |
R=2.1 |
U=1/ R Total |
U=0.476 |
|
|
times fudge
factor |
x1.025 |
|
U=0.488 Btu/hr ft 2
F |
Floor |
|
Material |
R Value |
6" concrete |
1.20 |
|
|
Total |
R=1.20 |
U=1/ R Total |
U=0.833 Btu/hr ft 2
F |
|
Ceiling |
|
Material |
R Value |
Outside air film |
0.170 |
3/4 plywood |
0.93 |
air vapor |
0.68 |
accoustical
tile |
1.25 |
asphalt roll
roofing |
0.15 |
|
|
Total |
R=3.18 |
U=1/ R Total |
U=0.314 |
|
|
times fudge
factor |
x1.025 |
|
U=0.322 Btu/hr ft 2
F |
Glazing |
|
Material |
R Value |
Single Pane |
N/A |
|
|
Total |
N/A |
U=1/ R Total |
U=1.11 Btu/hr ft 2
F |
|