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 ( 0.524 ) |
10.835 ( 1.908 ) |
0.085 ( 0.484 ) |
11.741 ( 2.067 ) |
0.08 ( 0.457 ) |
12.432 ( 2.189 ) |
0.078 ( 0.443 ) |
12.825 ( 2.258 ) |
0.076 ( 0.43 ) |
13.202 ( 2.324 ) |
5 ( 12.7 ) |
0.081 ( 0.461 ) |
12.324 ( 2.17 ) |
0.074 ( 0.421 ) |
13.48 ( 2.373 ) |
0.07 ( 0.395 ) |
14.378 ( 2.531 ) |
0.067 ( 0.381 ) |
14.894 ( 2.622 ) |
0.065 ( 0.369 ) |
15.393 ( 2.71 ) |
|
6 ( 15.2 ) |
0.074 ( 0.418 ) |
13.577 ( 2.39 ) |
0.067 ( 0.379 ) |
14.976 ( 2.637 ) |
0.062 ( 0.353 ) |
16.078 ( 2.831 ) |
0.06 ( 0.34 ) |
16.719 ( 2.943 ) |
0.058 ( 0.328 ) |
17.342 ( 3.053 ) |
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 ( 0.45 ) |
12.626 ( 2.223 ) |
0.074 ( 0.423 ) |
13.431 ( 2.365 ) |
0.071 ( 0.405 ) |
14.026 ( 2.469 ) |
0.07 ( 0.396 ) |
14.357 ( 2.528 ) |
0.068 ( 0.387 ) |
14.669 ( 2.583 ) |
5 ( 12.7 ) |
0.069 ( 0.389 ) |
14.594 ( 2.569 ) |
0.064 ( 0.363 ) |
15.654 ( 2.756 ) |
0.061 ( 0.345 ) |
16.449 ( 2.896 ) |
0.059 ( 0.336 ) |
16.896 ( 2.975 ) |
0.058 ( 0.328 ) |
17.32 ( 3.049 ) |
|
6 ( 15.2 ) |
0.061 ( 0.348 ) |
16.316 ( 2.873 ) |
0.057 ( 0.322 ) |
17.635 ( 3.105 ) |
0.054 ( 0.305 ) |
18.638 ( 3.281 ) |
0.052 ( 0.296 ) |
19.208 ( 3.382 ) |
0.051 ( 0.288 ) |
19.751 ( 3.477 ) |
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 ( 0.413 ) |
13.764 ( 2.423 ) |
0.069 ( 0.392 ) |
14.473 ( 2.548 ) |
0.067 ( 0.379 ) |
14.986 ( 2.638 ) |
0.065 ( 0.372 ) |
15.269 ( 2.688 ) |
0.064 ( 0.366 ) |
15.533 ( 2.735 ) |
5 ( 12.7 ) |
0.062 ( 0.353 ) |
16.075 ( 2.83 ) |
0.059 ( 0.334 ) |
17.027 ( 2.998 ) |
0.056 ( 0.32 ) |
17.725 ( 3.121 ) |
0.055 ( 0.314 ) |
18.113 ( 3.189 ) |
0.054 ( 0.307 ) |
18.477 ( 3.253 ) |
|
6 ( 15.2 ) |
0.055 ( 0.313 ) |
18.146 ( 3.195 ) |
0.052 ( 0.293 ) |
19.354 ( 3.407 ) |
0.049 ( 0.28 ) |
20.251 ( 3.565 ) |
0.048 ( 0.274 ) |
20.752 ( 3.654 ) |
0.047 ( 0.268 ) |
21.225 ( 3.737 ) |
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 ( 0.39 ) |
14.55 ( 2.562 ) |
0.066 ( 0.374 ) |
15.179 ( 2.672 ) |
0.064 ( 0.363 ) |
15.629 ( 2.752 ) |
0.063 ( 0.358 ) |
15.874 ( 2.795 ) |
0.062 ( 0.353 ) |
16.101 ( 2.835 ) |
5 ( 12.7 ) |
0.058 ( 0.332 ) |
17.116 ( 3.013 ) |
0.056 ( 0.316 ) |
17.972 ( 3.164 ) |
0.054 ( 0.306 ) |
18.591 ( 3.273 ) |
0.053 ( 0.3 ) |
18.931 ( 3.333 ) |
0.052 ( 0.295 ) |
19.248 ( 3.389 ) |
|
6 ( 15.2 ) |
0.051 ( 0.292 ) |
19.455 ( 3.425 ) |
0.049 ( 0.276 ) |
20.556 ( 3.619 ) |
0.047 ( 0.266 ) |
21.359 ( 3.76 ) |
0.046 ( 0.261 ) |
21.804 ( 3.839 ) |
0.045 ( 0.256 ) |
22.22 ( 3.912 ) |