Horizontal Stud to Stud Spacing |
Exterior Insulation Thickness * in . ( cm ) |
Effective U-Value BTU / h * ft ²*° F ( W / m ² K ) |
Effective R-Value h * ft ²*° F / BTU ( m ² K / W ) |
Effective U-Value BTU / h * ft ²*° F ( W / m ² K ) |
Effective R-Value h * ft ²*° F / BTU ( m ² K / W ) |
Effective U-Value BTU / h * ft ²*° F ( W / m ² K ) |
Effective R-Value h * ft ²*° F / BTU ( m ² K / W ) |
Effective U-Value BTU / h * ft ²*° F ( W / m ² K ) |
Effective R-Value h * ft ²*° F / BTU ( m ² K / W ) |
Effective U-Value BTU / h * ft ²*° F ( W / m ² K ) |
Effective R-Value h * ft ²*° F / BTU ( m ² K / W ) |
0.38 pcs / ft ² ( bracket ) 4.04 pcs / m ² ( bracket ) |
0.3 pcs / ft ² ( bracket ) 3.28 pcs / m ² ( bracket ) |
0.26 pcs / ft ² ( bracket ) 2.78 pcs / m ² ( bracket ) |
0.23 pcs / ft ² ( bracket ) 2.52 pcs / m ² ( bracket ) |
0.21 pcs / ft ² ( bracket ) 2.28 pcs / m ² ( bracket ) |
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0.75 ft / ft ² ( rails ) 2.46 m / m ² ( rails ) |
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16 " ( 406.4mm ) |
4 ( 10.2 ) |
0.093 ( 0.526 ) |
10.79 ( 1.9 ) |
0.086 ( 0.486 ) |
11.687 ( 2.058 ) |
0.081 ( 0.459 ) |
12.372 ( 2.178 ) |
0.078 ( 0.445 ) |
12.762 ( 2.247 ) |
0.076 ( 0.432 ) |
13.135 ( 2.312 ) |
5 ( 12.7 ) |
0.081 ( 0.462 ) |
12.285 ( 2.163 ) |
0.074 ( 0.423 ) |
13.433 ( 2.365 ) |
0.07 ( 0.397 ) |
14.324 ( 2.522 ) |
0.067 ( 0.383 ) |
14.837 ( 2.612 ) |
0.065 ( 0.37 ) |
15.332 ( 2.699 ) |
|
6 ( 15.2 ) |
0.074 ( 0.419 ) |
13.543 ( 2.384 ) |
0.067 ( 0.38 ) |
14.935 ( 2.629 ) |
0.062 ( 0.354 ) |
16.03 ( 2.822 ) |
0.06 ( 0.341 ) |
16.668 ( 2.934 ) |
0.058 ( 0.329 ) |
17.287 ( 3.044 ) |
0.25 pcs / ft ² ( bracket ) 2.69 pcs / m ² ( bracket ) |
0.2 pcs / ft ² ( bracket ) 2.19 pcs / m ² ( bracket ) |
0.17 pcs / ft ² ( bracket ) 1.85 pcs / m ² ( bracket ) |
0.16 pcs / ft ² ( bracket ) 1.68 pcs / m ² ( bracket ) |
0.14 pcs / ft ² ( bracket ) 1.52 pcs / m ² ( bracket ) |
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0.5 ft / ft ² ( rails ) 1.64 m / m ² ( rails ) |
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24 " ( 609.6mm ) |
4 ( 10.2 ) |
0.08 ( 0.452 ) |
12.565 ( 2.212 ) |
0.075 ( 0.425 ) |
13.361 ( 2.352 ) |
0.072 ( 0.407 ) |
13.95 ( 2.456 ) |
0.07 ( 0.398 ) |
14.277 ( 2.514 ) |
0.069 ( 0.389 ) |
14.586 ( 2.568 ) |
5 ( 12.7 ) |
0.069 ( 0.391 ) |
14.539 ( 2.56 ) |
0.064 ( 0.364 ) |
15.591 ( 2.745 ) |
0.061 ( 0.347 ) |
16.379 ( 2.884 ) |
0.059 ( 0.338 ) |
16.822 ( 2.962 ) |
0.058 ( 0.329 ) |
17.243 ( 3.036 ) |
|
6 ( 15.2 ) |
0.061 ( 0.349 ) |
16.267 ( 2.864 ) |
0.057 ( 0.323 ) |
17.578 ( 3.095 ) |
0.054 ( 0.306 ) |
18.574 ( 3.27 ) |
0.052 ( 0.297 ) |
19.14 ( 3.37 ) |
0.051 ( 0.289 ) |
19.68 ( 3.465 ) |
0.19 pcs / ft ² ( bracket ) 2.02 pcs / m ² ( bracket ) |
0.15 pcs / ft ² ( bracket ) 1.64 pcs / m ² ( bracket ) |
0.13 pcs / ft ² ( bracket ) 1.39 pcs / m ² ( bracket ) |
0.12 pcs / ft ² ( bracket ) 1.26 pcs / m ² ( bracket ) |
0.11 pcs / ft ² ( bracket ) 1.14 pcs / m ² ( bracket ) |
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0.38 ft / ft ² ( rails ) 1.23 m / m ² ( rails ) |
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32 " ( 812.8mm ) |
4 ( 10.2 ) |
0.073 ( 0.415 ) |
13.691 ( 2.41 ) |
0.069 ( 0.395 ) |
14.392 ( 2.534 ) |
0.067 ( 0.381 ) |
14.899 ( 2.623 ) |
0.066 ( 0.374 ) |
15.179 ( 2.672 ) |
0.065 ( 0.368 ) |
15.439 ( 2.718 ) |
5 ( 12.7 ) |
0.062 ( 0.355 ) |
16.008 ( 2.818 ) |
0.059 ( 0.335 ) |
16.952 ( 2.985 ) |
0.057 ( 0.322 ) |
17.644 ( 3.106 ) |
0.055 ( 0.315 ) |
18.028 ( 3.174 ) |
0.054 ( 0.309 ) |
18.389 ( 3.237 ) |
|
6 ( 15.2 ) |
0.055 ( 0.314 ) |
18.086 ( 3.184 ) |
0.052 ( 0.295 ) |
19.285 ( 3.395 ) |
0.05 ( 0.282 ) |
20.175 ( 3.552 ) |
0.048 ( 0.275 ) |
20.673 ( 3.64 ) |
0.047 ( 0.269 ) |
21.143 ( 3.722 ) |
0.15 pcs / ft ² ( bracket ) 1.61 pcs / m ² ( bracket ) |
0.12 pcs / ft ² ( bracket ) 1.31 pcs / m ² ( bracket ) |
0.1 pcs / ft ² ( bracket ) 1.11 pcs / m ² ( bracket ) |
0.09 pcs / ft ² ( bracket ) 1.01 pcs / m ² ( bracket ) |
0.08 pcs / ft ² ( bracket ) 0.91 pcs / m ² ( bracket ) |
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0.3 ft / ft ² ( rails ) 0.98 m / m ² ( rails ) |
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40 " ( 1016mm ) |
4 ( 10.2 ) |
0.069 ( 0.393 ) |
14.469 ( 2.547 ) |
0.066 ( 0.376 ) |
15.09 ( 2.657 ) |
0.064 ( 0.366 ) |
15.534 ( 2.735 ) |
0.063 ( 0.36 ) |
15.776 ( 2.777 ) |
0.062 ( 0.355 ) |
16.001 ( 2.817 ) |
5 ( 12.7 ) |
0.059 ( 0.333 ) |
17.041 ( 3 ) |
0.056 ( 0.318 ) |
17.889 ( 3.15 ) |
0.054 ( 0.307 ) |
18.502 ( 3.257 ) |
0.053 ( 0.302 ) |
18.839 ( 3.317 ) |
0.052 ( 0.297 ) |
19.152 ( 3.372 ) |
|
6 ( 15.2 ) |
0.052 ( 0.293 ) |
19.386 ( 3.413 ) |
0.049 ( 0.277 ) |
20.478 ( 3.605 ) |
0.047 ( 0.267 ) |
21.276 ( 3.746 ) |
0.046 ( 0.262 ) |
21.716 ( 3.823 ) |
0.045 ( 0.257 ) |
22.13 ( 3.896 ) |