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 ( 0.52 ) |
10.925 ( 1.923 ) |
0.084 ( 0.479 ) |
11.846 ( 2.086 ) |
0.08 ( 0.453 ) |
12.551 ( 2.21 ) |
0.077 ( 0.439 ) |
12.952 ( 2.28 ) |
0.075 ( 0.426 ) |
13.336 ( 2.348 ) |
5 ( 12.7 ) |
0.081 ( 0.458 ) |
12.402 ( 2.183 ) |
0.074 ( 0.418 ) |
13.573 ( 2.39 ) |
0.069 ( 0.392 ) |
14.484 ( 2.55 ) |
0.067 ( 0.378 ) |
15.008 ( 2.642 ) |
0.064 ( 0.366 ) |
15.515 ( 2.731 ) |
|
6 ( 15.2 ) |
0.073 ( 0.416 ) |
13.645 ( 2.402 ) |
0.066 ( 0.377 ) |
15.058 ( 2.651 ) |
0.062 ( 0.351 ) |
16.172 ( 2.847 ) |
0.059 ( 0.338 ) |
16.821 ( 2.962 ) |
0.057 ( 0.325 ) |
17.453 ( 3.073 ) |
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 ) |
0.078 ( 0.446 ) |
12.749 ( 2.245 ) |
0.074 ( 0.419 ) |
13.57 ( 2.389 ) |
0.071 ( 0.401 ) |
14.177 ( 2.496 ) |
0.069 ( 0.391 ) |
14.516 ( 2.556 ) |
0.067 ( 0.383 ) |
14.835 ( 2.612 ) |
5 ( 12.7 ) |
0.068 ( 0.386 ) |
14.704 ( 2.589 ) |
0.063 ( 0.36 ) |
15.78 ( 2.778 ) |
0.06 ( 0.342 ) |
16.588 ( 2.92 ) |
0.059 ( 0.333 ) |
17.042 ( 3 ) |
0.057 ( 0.325 ) |
17.474 ( 3.076 ) |
|
6 ( 15.2 ) |
0.061 ( 0.346 ) |
16.413 ( 2.89 ) |
0.056 ( 0.32 ) |
17.749 ( 3.125 ) |
0.053 ( 0.303 ) |
18.766 ( 3.304 ) |
0.052 ( 0.294 ) |
19.343 ( 3.405 ) |
0.05 ( 0.286 ) |
19.894 ( 3.503 ) |
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 ( 0.408 ) |
13.91 ( 2.449 ) |
0.068 ( 0.388 ) |
14.634 ( 2.576 ) |
0.066 ( 0.375 ) |
15.159 ( 2.669 ) |
0.065 ( 0.368 ) |
15.448 ( 2.72 ) |
0.064 ( 0.361 ) |
15.718 ( 2.767 ) |
5 ( 12.7 ) |
0.062 ( 0.35 ) |
16.207 ( 2.853 ) |
0.058 ( 0.331 ) |
17.176 ( 3.024 ) |
0.056 ( 0.318 ) |
17.887 ( 3.149 ) |
0.055 ( 0.311 ) |
18.281 ( 3.219 ) |
0.054 ( 0.305 ) |
18.652 ( 3.284 ) |
|
6 ( 15.2 ) |
0.055 ( 0.311 ) |
18.267 ( 3.216 ) |
0.051 ( 0.291 ) |
19.491 ( 3.432 ) |
0.049 ( 0.278 ) |
20.401 ( 3.592 ) |
0.048 ( 0.272 ) |
20.91 ( 3.681 ) |
0.047 ( 0.266 ) |
21.391 ( 3.766 ) |
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 ( 0.386 ) |
14.713 ( 2.59 ) |
0.065 ( 0.37 ) |
15.357 ( 2.704 ) |
0.063 ( 0.359 ) |
15.817 ( 2.785 ) |
0.062 ( 0.354 ) |
16.068 ( 2.829 ) |
0.061 ( 0.348 ) |
16.301 ( 2.87 ) |
5 ( 12.7 ) |
0.058 ( 0.329 ) |
17.267 ( 3.04 ) |
0.055 ( 0.313 ) |
18.138 ( 3.193 ) |
0.053 ( 0.303 ) |
18.769 ( 3.304 ) |
0.052 ( 0.297 ) |
19.115 ( 3.365 ) |
0.051 ( 0.292 ) |
19.438 ( 3.422 ) |
|
6 ( 15.2 ) |
0.051 ( 0.29 ) |
19.594 ( 3.45 ) |
0.048 ( 0.274 ) |
20.711 ( 3.646 ) |
0.046 ( 0.264 ) |
21.527 ( 3.79 ) |
0.045 ( 0.258 ) |
21.978 ( 3.869 ) |
0.045 ( 0.254 ) |
22.401 ( 3.944 ) |