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 ) |
0.054 ( 0.306 ) |
18.558 ( 3.267 ) |
0.05 ( 0.284 ) |
19.989 ( 3.519 ) |
0.047 ( 0.27 ) |
21.07 ( 3.71 ) |
0.046 ( 0.262 ) |
21.681 ( 3.817 ) |
0.045 ( 0.255 ) |
22.264 ( 3.92 ) |
5 ( 12.7 ) |
0.05 ( 0.285 ) |
19.947 ( 3.512 ) |
0.046 ( 0.262 ) |
21.667 ( 3.815 ) |
0.044 ( 0.247 ) |
22.985 ( 4.047 ) |
0.042 ( 0.239 ) |
23.737 ( 4.179 ) |
0.041 ( 0.232 ) |
24.459 ( 4.306 ) |
|
6 ( 15.2 ) |
0.047 ( 0.269 ) |
21.091 ( 3.713 ) |
0.043 ( 0.246 ) |
23.086 ( 4.065 ) |
0.041 ( 0.231 ) |
24.637 ( 4.338 ) |
0.039 ( 0.222 ) |
25.531 ( 4.495 ) |
0.038 ( 0.215 ) |
26.394 ( 4.647 ) |
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 ) |
0.047 ( 0.265 ) |
21.461 ( 3.778 ) |
0.044 ( 0.25 ) |
22.714 ( 3.999 ) |
0.042 ( 0.24 ) |
23.633 ( 4.161 ) |
0.041 ( 0.235 ) |
24.142 ( 4.25 ) |
0.041 ( 0.231 ) |
24.62 ( 4.334 ) |
5 ( 12.7 ) |
0.043 ( 0.243 ) |
23.355 ( 4.112 ) |
0.04 ( 0.228 ) |
24.897 ( 4.383 ) |
0.038 ( 0.218 ) |
26.041 ( 4.585 ) |
0.037 ( 0.213 ) |
26.68 ( 4.697 ) |
0.037 ( 0.208 ) |
27.283 ( 4.803 ) |
|
6 ( 15.2 ) |
0.04 ( 0.227 ) |
24.999 ( 4.401 ) |
0.037 ( 0.212 ) |
26.831 ( 4.724 ) |
0.035 ( 0.201 ) |
28.207 ( 4.966 ) |
0.035 ( 0.196 ) |
28.981 ( 5.102 ) |
0.034 ( 0.191 ) |
29.717 ( 5.232 ) |
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 ) |
0.043 ( 0.244 ) |
23.281 ( 4.099 ) |
0.041 ( 0.233 ) |
24.376 ( 4.292 ) |
0.04 ( 0.226 ) |
25.163 ( 4.43 ) |
0.039 ( 0.222 ) |
25.594 ( 4.506 ) |
0.038 ( 0.219 ) |
25.995 ( 4.577 ) |
5 ( 12.7 ) |
0.039 ( 0.222 ) |
25.536 ( 4.496 ) |
0.037 ( 0.211 ) |
26.902 ( 4.736 ) |
0.036 ( 0.204 ) |
27.895 ( 4.911 ) |
0.035 ( 0.2 ) |
28.442 ( 5.007 ) |
0.035 ( 0.196 ) |
28.954 ( 5.098 ) |
|
6 ( 15.2 ) |
0.036 ( 0.206 ) |
27.552 ( 4.851 ) |
0.034 ( 0.195 ) |
29.2 ( 5.141 ) |
0.033 ( 0.187 ) |
30.41 ( 5.354 ) |
0.032 ( 0.183 ) |
31.082 ( 5.472 ) |
0.032 ( 0.179 ) |
31.713 ( 5.583 ) |
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 ) |
0.041 ( 0.232 ) |
24.53 ( 4.319 ) |
0.039 ( 0.223 ) |
25.495 ( 4.489 ) |
0.038 ( 0.217 ) |
26.18 ( 4.609 ) |
0.038 ( 0.214 ) |
26.552 ( 4.675 ) |
0.037 ( 0.211 ) |
26.897 ( 4.735 ) |
5 ( 12.7 ) |
0.037 ( 0.21 ) |
27.051 ( 4.763 ) |
0.035 ( 0.201 ) |
28.268 ( 4.977 ) |
0.034 ( 0.195 ) |
29.14 ( 5.13 ) |
0.034 ( 0.192 ) |
29.616 ( 5.214 ) |
0.033 ( 0.189 ) |
30.059 ( 5.292 ) |
|
6 ( 15.2 ) |
0.034 ( 0.194 ) |
29.349 ( 5.167 ) |
0.032 ( 0.184 ) |
30.833 ( 5.428 ) |
0.031 ( 0.178 ) |
31.905 ( 5.617 ) |
0.031 ( 0.175 ) |
32.495 ( 5.721 ) |
0.03 ( 0.172 ) |
33.045 ( 5.818 ) |