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 ) |
0.092 ( 0.522 ) |
10.88 ( 1.916 ) |
0.085 ( 0.482 ) |
11.794 ( 2.076 ) |
0.08 ( 0.455 ) |
12.491 ( 2.199 ) |
0.078 ( 0.441 ) |
12.889 ( 2.269 ) |
0.075 ( 0.428 ) |
13.269 ( 2.336 ) |
5 ( 12.7 ) |
0.081 ( 0.459 ) |
12.363 ( 2.177 ) |
0.074 ( 0.42 ) |
13.527 ( 2.382 ) |
0.069 ( 0.394 ) |
14.431 ( 2.541 ) |
0.067 ( 0.38 ) |
14.951 ( 2.632 ) |
0.065 ( 0.368 ) |
15.454 ( 2.721 ) |
|
6 ( 15.2 ) |
0.073 ( 0.417 ) |
13.611 ( 2.396 ) |
0.067 ( 0.378 ) |
15.017 ( 2.644 ) |
0.062 ( 0.352 ) |
16.125 ( 2.839 ) |
0.06 ( 0.339 ) |
16.77 ( 2.953 ) |
0.057 ( 0.326 ) |
17.398 ( 3.063 ) |
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 ) |
0.079 ( 0.448 ) |
12.688 ( 2.234 ) |
0.074 ( 0.421 ) |
13.5 ( 2.377 ) |
0.071 ( 0.403 ) |
14.102 ( 2.483 ) |
0.069 ( 0.393 ) |
14.436 ( 2.542 ) |
0.068 ( 0.385 ) |
14.752 ( 2.597 ) |
5 ( 12.7 ) |
0.068 ( 0.388 ) |
14.649 ( 2.579 ) |
0.064 ( 0.361 ) |
15.717 ( 2.767 ) |
0.061 ( 0.344 ) |
16.518 ( 2.908 ) |
0.059 ( 0.335 ) |
16.969 ( 2.988 ) |
0.057 ( 0.326 ) |
17.397 ( 3.063 ) |
|
6 ( 15.2 ) |
0.061 ( 0.347 ) |
16.365 ( 2.881 ) |
0.057 ( 0.321 ) |
17.692 ( 3.115 ) |
0.053 ( 0.304 ) |
18.702 ( 3.293 ) |
0.052 ( 0.295 ) |
19.275 ( 3.394 ) |
0.05 ( 0.287 ) |
19.823 ( 3.49 ) |
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 ) |
0.072 ( 0.41 ) |
13.837 ( 2.436 ) |
0.069 ( 0.39 ) |
14.553 ( 2.562 ) |
0.066 ( 0.377 ) |
15.073 ( 2.654 ) |
0.065 ( 0.37 ) |
15.359 ( 2.704 ) |
0.064 ( 0.364 ) |
15.626 ( 2.751 ) |
5 ( 12.7 ) |
0.062 ( 0.352 ) |
16.141 ( 2.842 ) |
0.058 ( 0.332 ) |
17.101 ( 3.011 ) |
0.056 ( 0.319 ) |
17.806 ( 3.135 ) |
0.055 ( 0.312 ) |
18.197 ( 3.204 ) |
0.054 ( 0.306 ) |
18.564 ( 3.268 ) |
|
6 ( 15.2 ) |
0.055 ( 0.312 ) |
18.207 ( 3.205 ) |
0.051 ( 0.292 ) |
19.423 ( 3.419 ) |
0.049 ( 0.279 ) |
20.326 ( 3.579 ) |
0.048 ( 0.273 ) |
20.831 ( 3.667 ) |
0.047 ( 0.267 ) |
21.308 ( 3.751 ) |
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 ) |
0.068 ( 0.388 ) |
14.632 ( 2.576 ) |
0.065 ( 0.372 ) |
15.268 ( 2.688 ) |
0.064 ( 0.361 ) |
15.723 ( 2.768 ) |
0.063 ( 0.356 ) |
15.971 ( 2.812 ) |
0.062 ( 0.351 ) |
16.201 ( 2.852 ) |
5 ( 12.7 ) |
0.058 ( 0.33 ) |
17.192 ( 3.027 ) |
0.055 ( 0.315 ) |
18.055 ( 3.179 ) |
0.054 ( 0.304 ) |
18.68 ( 3.289 ) |
0.053 ( 0.299 ) |
19.023 ( 3.349 ) |
0.052 ( 0.294 ) |
19.343 ( 3.405 ) |
|
6 ( 15.2 ) |
0.051 ( 0.291 ) |
19.525 ( 3.437 ) |
0.048 ( 0.275 ) |
20.633 ( 3.633 ) |
0.047 ( 0.265 ) |
21.443 ( 3.775 ) |
0.046 ( 0.259 ) |
21.891 ( 3.854 ) |
0.045 ( 0.255 ) |
22.311 ( 3.928 ) |