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 ( 0.525 ) |
10.812 ( 1.904 ) |
0.085 ( 0.485 ) |
11.714 ( 2.062 ) |
0.081 ( 0.458 ) |
12.402 ( 2.183 ) |
0.078 ( 0.444 ) |
12.794 ( 2.252 ) |
0.076 ( 0.431 ) |
13.168 ( 2.318 ) |
5 ( 12.7 ) |
0.081 ( 0.462 ) |
12.305 ( 2.166 ) |
0.074 ( 0.422 ) |
13.457 ( 2.369 ) |
0.07 ( 0.396 ) |
14.351 ( 2.527 ) |
0.067 ( 0.382 ) |
14.866 ( 2.617 ) |
0.065 ( 0.37 ) |
15.363 ( 2.705 ) |
|
6 ( 15.2 ) |
0.074 ( 0.419 ) |
13.56 ( 2.387 ) |
0.067 ( 0.38 ) |
14.955 ( 2.633 ) |
0.062 ( 0.354 ) |
16.054 ( 2.826 ) |
0.06 ( 0.34 ) |
16.693 ( 2.939 ) |
0.058 ( 0.328 ) |
17.315 ( 3.048 ) |
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 ( 0.451 ) |
12.595 ( 2.218 ) |
0.075 ( 0.424 ) |
13.396 ( 2.358 ) |
0.071 ( 0.406 ) |
13.988 ( 2.463 ) |
0.07 ( 0.397 ) |
14.317 ( 2.521 ) |
0.068 ( 0.388 ) |
14.628 ( 2.575 ) |
5 ( 12.7 ) |
0.069 ( 0.39 ) |
14.567 ( 2.565 ) |
0.064 ( 0.364 ) |
15.622 ( 2.75 ) |
0.061 ( 0.346 ) |
16.414 ( 2.89 ) |
0.059 ( 0.337 ) |
16.859 ( 2.968 ) |
0.058 ( 0.329 ) |
17.282 ( 3.043 ) |
|
6 ( 15.2 ) |
0.061 ( 0.349 ) |
16.292 ( 2.868 ) |
0.057 ( 0.323 ) |
17.607 ( 3.1 ) |
0.054 ( 0.305 ) |
18.606 ( 3.276 ) |
0.052 ( 0.296 ) |
19.174 ( 3.376 ) |
0.051 ( 0.288 ) |
19.715 ( 3.471 ) |
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 ( 0.414 ) |
13.727 ( 2.417 ) |
0.069 ( 0.394 ) |
14.432 ( 2.541 ) |
0.067 ( 0.38 ) |
14.943 ( 2.631 ) |
0.066 ( 0.373 ) |
15.224 ( 2.68 ) |
0.065 ( 0.367 ) |
15.486 ( 2.726 ) |
5 ( 12.7 ) |
0.062 ( 0.354 ) |
16.041 ( 2.824 ) |
0.059 ( 0.334 ) |
16.989 ( 2.991 ) |
0.057 ( 0.321 ) |
17.685 ( 3.114 ) |
0.055 ( 0.314 ) |
18.071 ( 3.181 ) |
0.054 ( 0.308 ) |
18.433 ( 3.245 ) |
|
6 ( 15.2 ) |
0.055 ( 0.314 ) |
18.116 ( 3.189 ) |
0.052 ( 0.294 ) |
19.319 ( 3.401 ) |
0.049 ( 0.281 ) |
20.213 ( 3.559 ) |
0.048 ( 0.274 ) |
20.712 ( 3.647 ) |
0.047 ( 0.268 ) |
21.184 ( 3.73 ) |
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 ( 0.391 ) |
14.51 ( 2.554 ) |
0.066 ( 0.375 ) |
15.135 ( 2.665 ) |
0.064 ( 0.365 ) |
15.581 ( 2.743 ) |
0.063 ( 0.359 ) |
15.825 ( 2.786 ) |
0.062 ( 0.354 ) |
16.051 ( 2.826 ) |
5 ( 12.7 ) |
0.059 ( 0.333 ) |
17.079 ( 3.007 ) |
0.056 ( 0.317 ) |
17.931 ( 3.157 ) |
0.054 ( 0.306 ) |
18.547 ( 3.265 ) |
0.053 ( 0.301 ) |
18.885 ( 3.325 ) |
0.052 ( 0.296 ) |
19.2 ( 3.38 ) |
|
6 ( 15.2 ) |
0.051 ( 0.292 ) |
19.421 ( 3.419 ) |
0.049 ( 0.277 ) |
20.517 ( 3.612 ) |
0.047 ( 0.266 ) |
21.318 ( 3.753 ) |
0.046 ( 0.261 ) |
21.76 ( 3.831 ) |
0.045 ( 0.256 ) |
22.175 ( 3.904 ) |