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 ) |
0.072 ( 0.411 ) |
13.824 ( 2.434 ) |
0.068 ( 0.389 ) |
14.603 ( 2.571 ) |
0.066 ( 0.374 ) |
15.172 ( 2.671 ) |
0.065 ( 0.367 ) |
15.486 ( 2.726 ) |
0.063 ( 0.36 ) |
15.781 ( 2.778 ) |
5 ( 12.7 ) |
0.064 ( 0.361 ) |
15.745 ( 2.772 ) |
0.06 ( 0.338 ) |
16.798 ( 2.957 ) |
0.057 ( 0.323 ) |
17.579 ( 3.095 ) |
0.056 ( 0.315 ) |
18.016 ( 3.172 ) |
0.054 ( 0.308 ) |
18.429 ( 3.245 ) |
|
6 ( 15.2 ) |
0.058 ( 0.327 ) |
17.37 ( 3.058 ) |
0.053 ( 0.304 ) |
18.701 ( 3.292 ) |
0.051 ( 0.288 ) |
19.706 ( 3.469 ) |
0.049 ( 0.28 ) |
20.273 ( 3.569 ) |
0.048 ( 0.273 ) |
20.814 ( 3.664 ) |
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 ) |
0.065 ( 0.369 ) |
15.373 ( 2.707 ) |
0.062 ( 0.355 ) |
16.006 ( 2.818 ) |
0.061 ( 0.345 ) |
16.457 ( 2.897 ) |
0.06 ( 0.34 ) |
16.702 ( 2.941 ) |
0.059 ( 0.336 ) |
16.929 ( 2.981 ) |
5 ( 12.7 ) |
0.056 ( 0.319 ) |
17.795 ( 3.133 ) |
0.054 ( 0.304 ) |
18.676 ( 3.288 ) |
0.052 ( 0.294 ) |
19.312 ( 3.4 ) |
0.051 ( 0.289 ) |
19.662 ( 3.462 ) |
0.05 ( 0.284 ) |
19.987 ( 3.519 ) |
|
6 ( 15.2 ) |
0.05 ( 0.285 ) |
19.937 ( 3.51 ) |
0.047 ( 0.269 ) |
21.085 ( 3.712 ) |
0.046 ( 0.259 ) |
21.925 ( 3.86 ) |
0.045 ( 0.254 ) |
22.39 ( 3.942 ) |
0.044 ( 0.249 ) |
22.827 ( 4.019 ) |
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 ) |
0.061 ( 0.349 ) |
16.286 ( 2.867 ) |
0.059 ( 0.338 ) |
16.814 ( 2.96 ) |
0.058 ( 0.331 ) |
17.185 ( 3.025 ) |
0.058 ( 0.327 ) |
17.385 ( 3.061 ) |
0.057 ( 0.323 ) |
17.569 ( 3.093 ) |
5 ( 12.7 ) |
0.053 ( 0.298 ) |
19.033 ( 3.351 ) |
0.051 ( 0.287 ) |
19.782 ( 3.483 ) |
0.049 ( 0.28 ) |
20.314 ( 3.576 ) |
0.049 ( 0.276 ) |
20.603 ( 3.627 ) |
0.048 ( 0.272 ) |
20.87 ( 3.674 ) |
|
6 ( 15.2 ) |
0.046 ( 0.264 ) |
21.527 ( 3.79 ) |
0.044 ( 0.252 ) |
22.52 ( 3.965 ) |
0.043 ( 0.244 ) |
23.234 ( 4.09 ) |
0.042 ( 0.24 ) |
23.623 ( 4.159 ) |
0.042 ( 0.237 ) |
23.986 ( 4.223 ) |
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 ) |
0.059 ( 0.336 ) |
16.887 ( 2.973 ) |
0.058 ( 0.328 ) |
17.339 ( 3.053 ) |
0.057 ( 0.322 ) |
17.653 ( 3.108 ) |
0.056 ( 0.319 ) |
17.821 ( 3.138 ) |
0.056 ( 0.316 ) |
17.976 ( 3.165 ) |
5 ( 12.7 ) |
0.05 ( 0.286 ) |
19.863 ( 3.497 ) |
0.049 ( 0.277 ) |
20.511 ( 3.611 ) |
0.048 ( 0.271 ) |
20.966 ( 3.691 ) |
0.047 ( 0.268 ) |
21.212 ( 3.734 ) |
0.047 ( 0.265 ) |
21.438 ( 3.774 ) |
|
6 ( 15.2 ) |
0.044 ( 0.251 ) |
22.609 ( 3.98 ) |
0.043 ( 0.242 ) |
23.479 ( 4.134 ) |
0.042 ( 0.236 ) |
24.096 ( 4.242 ) |
0.041 ( 0.232 ) |
24.431 ( 4.301 ) |
0.04 ( 0.23 ) |
24.741 ( 4.356 ) |