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 ) |
0.071 ( 0.405 ) |
14.017 ( 2.468 ) |
0.067 ( 0.383 ) |
14.818 ( 2.609 ) |
0.065 ( 0.369 ) |
15.404 ( 2.712 ) |
0.064 ( 0.361 ) |
15.728 ( 2.769 ) |
0.062 ( 0.354 ) |
16.032 ( 2.823 ) |
5 ( 12.7 ) |
0.063 ( 0.357 ) |
15.915 ( 2.802 ) |
0.059 ( 0.334 ) |
16.99 ( 2.991 ) |
0.056 ( 0.319 ) |
17.79 ( 3.132 ) |
0.055 ( 0.311 ) |
18.238 ( 3.211 ) |
0.054 ( 0.304 ) |
18.661 ( 3.285 ) |
|
6 ( 15.2 ) |
0.057 ( 0.324 ) |
17.519 ( 3.084 ) |
0.053 ( 0.301 ) |
18.874 ( 3.323 ) |
0.05 ( 0.285 ) |
19.898 ( 3.503 ) |
0.049 ( 0.277 ) |
20.477 ( 3.605 ) |
0.048 ( 0.27 ) |
21.028 ( 3.702 ) |
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 ) |
0.064 ( 0.364 ) |
15.612 ( 2.749 ) |
0.061 ( 0.349 ) |
16.265 ( 2.863 ) |
0.06 ( 0.34 ) |
16.73 ( 2.945 ) |
0.059 ( 0.334 ) |
16.984 ( 2.99 ) |
0.058 ( 0.33 ) |
17.219 ( 3.031 ) |
5 ( 12.7 ) |
0.056 ( 0.315 ) |
18.011 ( 3.171 ) |
0.053 ( 0.3 ) |
18.915 ( 3.33 ) |
0.051 ( 0.29 ) |
19.568 ( 3.445 ) |
0.05 ( 0.285 ) |
19.926 ( 3.508 ) |
0.049 ( 0.28 ) |
20.261 ( 3.567 ) |
|
6 ( 15.2 ) |
0.05 ( 0.282 ) |
20.133 ( 3.545 ) |
0.047 ( 0.267 ) |
21.305 ( 3.751 ) |
0.045 ( 0.256 ) |
22.163 ( 3.902 ) |
0.044 ( 0.251 ) |
22.638 ( 3.986 ) |
0.043 ( 0.246 ) |
23.085 ( 4.064 ) |
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 ) |
0.06 ( 0.343 ) |
16.553 ( 2.914 ) |
0.058 ( 0.332 ) |
17.099 ( 3.01 ) |
0.057 ( 0.325 ) |
17.483 ( 3.078 ) |
0.057 ( 0.321 ) |
17.69 ( 3.114 ) |
0.056 ( 0.318 ) |
17.881 ( 3.148 ) |
5 ( 12.7 ) |
0.052 ( 0.295 ) |
19.281 ( 3.395 ) |
0.05 ( 0.283 ) |
20.05 ( 3.53 ) |
0.049 ( 0.276 ) |
20.597 ( 3.626 ) |
0.048 ( 0.272 ) |
20.894 ( 3.678 ) |
0.047 ( 0.268 ) |
21.169 ( 3.727 ) |
|
6 ( 15.2 ) |
0.046 ( 0.261 ) |
21.756 ( 3.83 ) |
0.044 ( 0.249 ) |
22.771 ( 4.009 ) |
0.043 ( 0.242 ) |
23.501 ( 4.137 ) |
0.042 ( 0.238 ) |
23.9 ( 4.208 ) |
0.041 ( 0.234 ) |
24.271 ( 4.273 ) |
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 ) |
0.058 ( 0.331 ) |
17.175 ( 3.024 ) |
0.057 ( 0.322 ) |
17.642 ( 3.106 ) |
0.056 ( 0.316 ) |
17.968 ( 3.163 ) |
0.055 ( 0.313 ) |
18.142 ( 3.194 ) |
0.055 ( 0.31 ) |
18.303 ( 3.222 ) |
5 ( 12.7 ) |
0.05 ( 0.282 ) |
20.133 ( 3.545 ) |
0.048 ( 0.273 ) |
20.799 ( 3.662 ) |
0.047 ( 0.267 ) |
21.268 ( 3.744 ) |
0.046 ( 0.264 ) |
21.52 ( 3.789 ) |
0.046 ( 0.261 ) |
21.753 ( 3.83 ) |
|
6 ( 15.2 ) |
0.044 ( 0.248 ) |
22.862 ( 4.025 ) |
0.042 ( 0.239 ) |
23.752 ( 4.182 ) |
0.041 ( 0.233 ) |
24.384 ( 4.293 ) |
0.04 ( 0.23 ) |
24.727 ( 4.353 ) |
0.04 ( 0.227 ) |
25.044 ( 4.409 ) |