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 ) |
0.056 ( 0.321 ) |
17.711 ( 3.118 ) |
0.053 ( 0.301 ) |
18.881 ( 3.324 ) |
0.051 ( 0.288 ) |
19.749 ( 3.477 ) |
0.049 ( 0.281 ) |
20.234 ( 3.562 ) |
0.048 ( 0.275 ) |
20.691 ( 3.643 ) |
5 ( 12.7 ) |
0.054 ( 0.305 ) |
18.597 ( 3.274 ) |
0.05 ( 0.283 ) |
20.099 ( 3.538 ) |
0.047 ( 0.267 ) |
21.24 ( 3.739 ) |
0.046 ( 0.26 ) |
21.888 ( 3.853 ) |
0.044 ( 0.252 ) |
22.506 ( 3.962 ) |
|
6 ( 15.2 ) |
0.05 ( 0.283 ) |
20.041 ( 3.528 ) |
0.046 ( 0.26 ) |
21.814 ( 3.841 ) |
0.043 ( 0.245 ) |
23.18 ( 4.081 ) |
0.042 ( 0.237 ) |
23.961 ( 4.219 ) |
0.04 ( 0.23 ) |
24.712 ( 4.351 ) |
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 ) |
0.05 ( 0.283 ) |
20.075 ( 3.534 ) |
0.047 ( 0.27 ) |
21.061 ( 3.708 ) |
0.046 ( 0.261 ) |
21.772 ( 3.833 ) |
0.045 ( 0.256 ) |
22.163 ( 3.902 ) |
0.044 ( 0.252 ) |
22.527 ( 3.966 ) |
5 ( 12.7 ) |
0.046 ( 0.263 ) |
21.558 ( 3.795 ) |
0.044 ( 0.248 ) |
22.879 ( 4.028 ) |
0.042 ( 0.238 ) |
23.851 ( 4.199 ) |
0.041 ( 0.233 ) |
24.392 ( 4.294 ) |
0.04 ( 0.228 ) |
24.9 ( 4.384 ) |
|
6 ( 15.2 ) |
0.043 ( 0.242 ) |
23.497 ( 4.137 ) |
0.04 ( 0.226 ) |
25.092 ( 4.418 ) |
0.038 ( 0.216 ) |
26.279 ( 4.627 ) |
0.037 ( 0.211 ) |
26.943 ( 4.743 ) |
0.036 ( 0.206 ) |
27.571 ( 4.854 ) |
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 ) |
0.046 ( 0.264 ) |
21.51 ( 3.787 ) |
0.045 ( 0.254 ) |
22.351 ( 3.935 ) |
0.044 ( 0.248 ) |
22.948 ( 4.04 ) |
0.043 ( 0.244 ) |
23.272 ( 4.097 ) |
0.042 ( 0.241 ) |
23.572 ( 4.15 ) |
5 ( 12.7 ) |
0.043 ( 0.243 ) |
23.422 ( 4.124 ) |
0.041 ( 0.231 ) |
24.578 ( 4.327 ) |
0.039 ( 0.224 ) |
25.413 ( 4.474 ) |
0.039 ( 0.22 ) |
25.871 ( 4.555 ) |
0.038 ( 0.216 ) |
26.299 ( 4.63 ) |
|
6 ( 15.2 ) |
0.039 ( 0.221 ) |
25.715 ( 4.527 ) |
0.037 ( 0.209 ) |
27.13 ( 4.776 ) |
0.036 ( 0.202 ) |
28.162 ( 4.958 ) |
0.035 ( 0.198 ) |
28.731 ( 5.058 ) |
0.034 ( 0.194 ) |
29.264 ( 5.152 ) |
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 ) |
0.044 ( 0.253 ) |
22.474 ( 3.957 ) |
0.043 ( 0.245 ) |
23.204 ( 4.085 ) |
0.042 ( 0.239 ) |
23.717 ( 4.175 ) |
0.042 ( 0.237 ) |
23.993 ( 4.224 ) |
0.041 ( 0.234 ) |
24.247 ( 4.269 ) |
5 ( 12.7 ) |
0.04 ( 0.23 ) |
24.704 ( 4.349 ) |
0.039 ( 0.221 ) |
25.725 ( 4.529 ) |
0.038 ( 0.215 ) |
26.453 ( 4.657 ) |
0.037 ( 0.212 ) |
26.849 ( 4.727 ) |
0.037 ( 0.209 ) |
27.216 ( 4.792 ) |
|
6 ( 15.2 ) |
0.037 ( 0.208 ) |
27.258 ( 4.799 ) |
0.035 ( 0.199 ) |
28.52 ( 5.021 ) |
0.034 ( 0.193 ) |
29.426 ( 5.181 ) |
0.033 ( 0.19 ) |
29.922 ( 5.268 ) |
0.033 ( 0.187 ) |
30.383 ( 5.349 ) |