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 ) |
0.091 ( 0.518 ) |
10.97 ( 1.931 ) |
0.084 ( 0.477 ) |
11.899 ( 2.095 ) |
0.079 ( 0.45 ) |
12.61 ( 2.22 ) |
0.077 ( 0.436 ) |
13.015 ( 2.291 ) |
0.075 ( 0.424 ) |
13.403 ( 2.36 ) |
5 ( 12.7 ) |
0.08 ( 0.457 ) |
12.441 ( 2.19 ) |
0.073 ( 0.417 ) |
13.62 ( 2.398 ) |
0.069 ( 0.391 ) |
14.536 ( 2.559 ) |
0.066 ( 0.377 ) |
15.065 ( 2.652 ) |
0.064 ( 0.365 ) |
15.575 ( 2.742 ) |
|
6 ( 15.2 ) |
0.073 ( 0.415 ) |
13.678 ( 2.408 ) |
0.066 ( 0.376 ) |
15.099 ( 2.658 ) |
0.062 ( 0.35 ) |
16.219 ( 2.856 ) |
0.059 ( 0.337 ) |
16.872 ( 2.97 ) |
0.057 ( 0.324 ) |
17.507 ( 3.082 ) |
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 ( 0.443 ) |
12.81 ( 2.255 ) |
0.073 ( 0.416 ) |
13.639 ( 2.401 ) |
0.07 ( 0.399 ) |
14.252 ( 2.509 ) |
0.069 ( 0.389 ) |
14.595 ( 2.569 ) |
0.067 ( 0.381 ) |
14.918 ( 2.626 ) |
5 ( 12.7 ) |
0.068 ( 0.385 ) |
14.758 ( 2.598 ) |
0.063 ( 0.359 ) |
15.842 ( 2.789 ) |
0.06 ( 0.341 ) |
16.657 ( 2.933 ) |
0.058 ( 0.332 ) |
17.115 ( 3.013 ) |
0.057 ( 0.324 ) |
17.551 ( 3.09 ) |
|
6 ( 15.2 ) |
0.061 ( 0.345 ) |
16.462 ( 2.898 ) |
0.056 ( 0.319 ) |
17.806 ( 3.135 ) |
0.053 ( 0.302 ) |
18.829 ( 3.315 ) |
0.052 ( 0.293 ) |
19.41 ( 3.417 ) |
0.05 ( 0.284 ) |
19.965 ( 3.515 ) |
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 ( 0.406 ) |
13.982 ( 2.462 ) |
0.068 ( 0.386 ) |
14.714 ( 2.591 ) |
0.066 ( 0.373 ) |
15.245 ( 2.684 ) |
0.064 ( 0.366 ) |
15.538 ( 2.736 ) |
0.063 ( 0.359 ) |
15.811 ( 2.784 ) |
5 ( 12.7 ) |
0.061 ( 0.349 ) |
16.273 ( 2.865 ) |
0.058 ( 0.329 ) |
17.25 ( 3.037 ) |
0.056 ( 0.316 ) |
17.967 ( 3.163 ) |
0.054 ( 0.309 ) |
18.365 ( 3.233 ) |
0.053 ( 0.303 ) |
18.739 ( 3.299 ) |
|
6 ( 15.2 ) |
0.055 ( 0.31 ) |
18.327 ( 3.227 ) |
0.051 ( 0.29 ) |
19.559 ( 3.444 ) |
0.049 ( 0.277 ) |
20.476 ( 3.605 ) |
0.048 ( 0.271 ) |
20.988 ( 3.695 ) |
0.047 ( 0.265 ) |
21.473 ( 3.78 ) |
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 ( 0.384 ) |
14.795 ( 2.605 ) |
0.065 ( 0.368 ) |
15.445 ( 2.719 ) |
0.063 ( 0.357 ) |
15.911 ( 2.801 ) |
0.062 ( 0.351 ) |
16.164 ( 2.846 ) |
0.061 ( 0.346 ) |
16.4 ( 2.887 ) |
5 ( 12.7 ) |
0.058 ( 0.328 ) |
17.341 ( 3.053 ) |
0.055 ( 0.312 ) |
18.221 ( 3.208 ) |
0.053 ( 0.301 ) |
18.857 ( 3.32 ) |
0.052 ( 0.296 ) |
19.207 ( 3.381 ) |
0.051 ( 0.291 ) |
19.533 ( 3.439 ) |
|
6 ( 15.2 ) |
0.051 ( 0.289 ) |
19.663 ( 3.462 ) |
0.048 ( 0.273 ) |
20.788 ( 3.66 ) |
0.046 ( 0.263 ) |
21.61 ( 3.805 ) |
0.045 ( 0.257 ) |
22.065 ( 3.885 ) |
0.044 ( 0.253 ) |
22.492 ( 3.96 ) |