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 ( 0.528 ) |
10.767 ( 1.896 ) |
0.086 ( 0.487 ) |
11.66 ( 2.053 ) |
0.081 ( 0.46 ) |
12.342 ( 2.173 ) |
0.079 ( 0.446 ) |
12.73 ( 2.241 ) |
0.076 ( 0.434 ) |
13.101 ( 2.306 ) |
5 ( 12.7 ) |
0.082 ( 0.463 ) |
12.266 ( 2.159 ) |
0.075 ( 0.424 ) |
13.41 ( 2.361 ) |
0.07 ( 0.397 ) |
14.298 ( 2.517 ) |
0.068 ( 0.384 ) |
14.808 ( 2.607 ) |
0.065 ( 0.371 ) |
15.301 ( 2.694 ) |
|
6 ( 15.2 ) |
0.074 ( 0.42 ) |
13.526 ( 2.381 ) |
0.067 ( 0.381 ) |
14.914 ( 2.626 ) |
0.062 ( 0.355 ) |
16.006 ( 2.818 ) |
0.06 ( 0.341 ) |
16.642 ( 2.93 ) |
0.058 ( 0.329 ) |
17.259 ( 3.039 ) |
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 ( 0.453 ) |
12.534 ( 2.207 ) |
0.075 ( 0.426 ) |
13.326 ( 2.346 ) |
0.072 ( 0.408 ) |
13.911 ( 2.449 ) |
0.07 ( 0.399 ) |
14.237 ( 2.507 ) |
0.069 ( 0.391 ) |
14.544 ( 2.561 ) |
5 ( 12.7 ) |
0.069 ( 0.391 ) |
14.512 ( 2.555 ) |
0.064 ( 0.365 ) |
15.559 ( 2.739 ) |
0.061 ( 0.348 ) |
16.344 ( 2.877 ) |
0.06 ( 0.338 ) |
16.785 ( 2.955 ) |
0.058 ( 0.33 ) |
17.204 ( 3.029 ) |
|
6 ( 15.2 ) |
0.062 ( 0.35 ) |
16.242 ( 2.86 ) |
0.057 ( 0.324 ) |
17.549 ( 3.09 ) |
0.054 ( 0.306 ) |
18.542 ( 3.264 ) |
0.052 ( 0.297 ) |
19.106 ( 3.364 ) |
0.051 ( 0.289 ) |
19.644 ( 3.458 ) |
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 ( 0.416 ) |
13.654 ( 2.404 ) |
0.07 ( 0.396 ) |
14.351 ( 2.527 ) |
0.067 ( 0.382 ) |
14.856 ( 2.615 ) |
0.066 ( 0.375 ) |
15.133 ( 2.664 ) |
0.065 ( 0.369 ) |
15.393 ( 2.71 ) |
5 ( 12.7 ) |
0.063 ( 0.356 ) |
15.975 ( 2.812 ) |
0.059 ( 0.336 ) |
16.915 ( 2.978 ) |
0.057 ( 0.323 ) |
17.604 ( 3.099 ) |
0.056 ( 0.316 ) |
17.986 ( 3.167 ) |
0.055 ( 0.31 ) |
18.345 ( 3.23 ) |
|
6 ( 15.2 ) |
0.055 ( 0.315 ) |
18.055 ( 3.179 ) |
0.052 ( 0.295 ) |
19.25 ( 3.389 ) |
0.05 ( 0.282 ) |
20.138 ( 3.545 ) |
0.048 ( 0.275 ) |
20.633 ( 3.633 ) |
0.047 ( 0.269 ) |
21.101 ( 3.715 ) |
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 ( 0.394 ) |
14.427 ( 2.54 ) |
0.066 ( 0.378 ) |
15.045 ( 2.649 ) |
0.065 ( 0.367 ) |
15.487 ( 2.727 ) |
0.064 ( 0.361 ) |
15.727 ( 2.769 ) |
0.063 ( 0.356 ) |
15.951 ( 2.808 ) |
5 ( 12.7 ) |
0.059 ( 0.334 ) |
17.003 ( 2.993 ) |
0.056 ( 0.318 ) |
17.848 ( 3.142 ) |
0.054 ( 0.308 ) |
18.458 ( 3.25 ) |
0.053 ( 0.302 ) |
18.792 ( 3.309 ) |
0.052 ( 0.297 ) |
19.105 ( 3.364 ) |
|
6 ( 15.2 ) |
0.052 ( 0.294 ) |
19.351 ( 3.407 ) |
0.049 ( 0.278 ) |
20.439 ( 3.598 ) |
0.047 ( 0.268 ) |
21.234 ( 3.738 ) |
0.046 ( 0.262 ) |
21.673 ( 3.816 ) |
0.045 ( 0.257 ) |
22.084 ( 3.888 ) |