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 ) |
0.093 ( 0.529 ) |
10.744 ( 1.892 ) |
0.086 ( 0.488 ) |
11.634 ( 2.048 ) |
0.081 ( 0.461 ) |
12.312 ( 2.168 ) |
0.079 ( 0.447 ) |
12.698 ( 2.236 ) |
0.077 ( 0.435 ) |
13.067 ( 2.301 ) |
5 ( 12.7 ) |
0.082 ( 0.464 ) |
12.246 ( 2.156 ) |
0.075 ( 0.424 ) |
13.386 ( 2.357 ) |
0.07 ( 0.398 ) |
14.271 ( 2.512 ) |
0.068 ( 0.384 ) |
14.78 ( 2.602 ) |
0.065 ( 0.372 ) |
15.271 ( 2.688 ) |
|
6 ( 15.2 ) |
0.074 ( 0.42 ) |
13.509 ( 2.378 ) |
0.067 ( 0.381 ) |
14.893 ( 2.622 ) |
0.063 ( 0.355 ) |
15.983 ( 2.814 ) |
0.06 ( 0.342 ) |
16.616 ( 2.925 ) |
0.058 ( 0.33 ) |
17.232 ( 3.034 ) |
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 ) |
0.08 ( 0.454 ) |
12.503 ( 2.201 ) |
0.075 ( 0.427 ) |
13.291 ( 2.34 ) |
0.072 ( 0.409 ) |
13.873 ( 2.442 ) |
0.07 ( 0.4 ) |
14.197 ( 2.5 ) |
0.069 ( 0.392 ) |
14.503 ( 2.553 ) |
5 ( 12.7 ) |
0.069 ( 0.392 ) |
14.484 ( 2.55 ) |
0.064 ( 0.366 ) |
15.527 ( 2.734 ) |
0.061 ( 0.348 ) |
16.309 ( 2.871 ) |
0.06 ( 0.339 ) |
16.748 ( 2.949 ) |
0.058 ( 0.331 ) |
17.165 ( 3.022 ) |
|
6 ( 15.2 ) |
0.062 ( 0.35 ) |
16.218 ( 2.855 ) |
0.057 ( 0.324 ) |
17.521 ( 3.085 ) |
0.054 ( 0.307 ) |
18.51 ( 3.259 ) |
0.052 ( 0.298 ) |
19.072 ( 3.358 ) |
0.051 ( 0.29 ) |
19.608 ( 3.452 ) |
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 ) |
0.0734 ( 0.417 ) |
13.617 ( 2.397 ) |
0.0699 ( 0.397 ) |
14.3104 ( 2.519 ) |
0.0675 ( 0.383 ) |
14.8124 ( 2.608 ) |
0.0663 ( 0.376 ) |
15.0882 ( 2.656 ) |
0.0652 ( 0.37 ) |
15.3457 ( 2.702 ) |
5 ( 12.7 ) |
0.0627 ( 0.356 ) |
15.9412 ( 2.807 ) |
0.0593 ( 0.337 ) |
16.8771 ( 2.971 ) |
0.0569 ( 0.323 ) |
17.5633 ( 3.092 ) |
0.0557 ( 0.317 ) |
17.9435 ( 3.159 ) |
0.0546 ( 0.31 ) |
18.3006 ( 3.222 ) |
|
6 ( 15.2 ) |
0.0555 ( 0.315 ) |
18.0247 ( 3.173 ) |
0.052 ( 0.296 ) |
19.2158 ( 3.383 ) |
0.0498 ( 0.283 ) |
20.0997 ( 3.539 ) |
0.0486 ( 0.276 ) |
20.5933 ( 3.626 ) |
0.0475 ( 0.27 ) |
21.0595 ( 3.708 ) |
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 ) |
0.07 ( 0.395 ) |
14.386 ( 2.533 ) |
0.067 ( 0.379 ) |
15.001 ( 2.641 ) |
0.065 ( 0.368 ) |
15.439 ( 2.718 ) |
0.064 ( 0.362 ) |
15.678 ( 2.76 ) |
0.063 ( 0.357 ) |
15.9 ( 2.799 ) |
5 ( 12.7 ) |
0.059 ( 0.335 ) |
16.965 ( 2.987 ) |
0.056 ( 0.319 ) |
17.806 ( 3.135 ) |
0.054 ( 0.308 ) |
18.413 ( 3.242 ) |
0.053 ( 0.303 ) |
18.746 ( 3.3 ) |
0.052 ( 0.298 ) |
19.057 ( 3.355 ) |
|
6 ( 15.2 ) |
0.052 ( 0.294 ) |
19.316 ( 3.401 ) |
0.049 ( 0.278 ) |
20.4 ( 3.592 ) |
0.047 ( 0.268 ) |
21.191 ( 3.731 ) |
0.046 ( 0.263 ) |
21.629 ( 3.808 ) |
0.045 ( 0.258 ) |
22.039 ( 3.88 ) |