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 ) |
0.048 ( 0.273 ) |
20.821 ( 3.666 ) |
0.045 ( 0.254 ) |
22.374 ( 3.939 ) |
0.042 ( 0.241 ) |
23.542 ( 4.145 ) |
0.041 ( 0.235 ) |
24.2 ( 4.261 ) |
0.04 ( 0.229 ) |
24.826 ( 4.371 ) |
5 ( 12.7 ) |
0.047 ( 0.266 ) |
21.36 ( 3.761 ) |
0.043 ( 0.244 ) |
23.25 ( 4.093 ) |
0.04 ( 0.23 ) |
24.704 ( 4.349 ) |
0.039 ( 0.222 ) |
25.536 ( 4.496 ) |
0.038 ( 0.216 ) |
26.336 ( 4.637 ) |
|
6 ( 15.2 ) |
0.044 ( 0.25 ) |
22.675 ( 3.992 ) |
0.04 ( 0.229 ) |
24.836 ( 4.373 ) |
0.038 ( 0.214 ) |
26.518 ( 4.669 ) |
0.036 ( 0.207 ) |
27.489 ( 4.84 ) |
0.035 ( 0.2 ) |
28.426 ( 5.005 ) |
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 ) |
0.042 ( 0.237 ) |
23.995 ( 4.224 ) |
0.039 ( 0.224 ) |
25.346 ( 4.462 ) |
0.038 ( 0.216 ) |
26.333 ( 4.636 ) |
0.037 ( 0.211 ) |
26.878 ( 4.732 ) |
0.037 ( 0.207 ) |
27.39 ( 4.822 ) |
5 ( 12.7 ) |
0.04 ( 0.226 ) |
25.119 ( 4.422 ) |
0.037 ( 0.212 ) |
26.829 ( 4.723 ) |
0.036 ( 0.202 ) |
28.101 ( 4.947 ) |
0.035 ( 0.197 ) |
28.813 ( 5.073 ) |
0.034 ( 0.193 ) |
29.487 ( 5.191 ) |
|
6 ( 15.2 ) |
0.037 ( 0.211 ) |
26.916 ( 4.739 ) |
0.035 ( 0.196 ) |
28.907 ( 5.089 ) |
0.033 ( 0.187 ) |
30.404 ( 5.353 ) |
0.032 ( 0.182 ) |
31.247 ( 5.501 ) |
0.031 ( 0.177 ) |
32.048 ( 5.642 ) |
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 ) |
0.038 ( 0.219 ) |
25.975 ( 4.573 ) |
0.037 ( 0.209 ) |
27.15 ( 4.78 ) |
0.036 ( 0.203 ) |
27.993 ( 4.928 ) |
0.035 ( 0.2 ) |
28.453 ( 5.009 ) |
0.035 ( 0.197 ) |
28.881 ( 5.085 ) |
5 ( 12.7 ) |
0.036 ( 0.206 ) |
27.543 ( 4.849 ) |
0.034 ( 0.195 ) |
29.066 ( 5.117 ) |
0.033 ( 0.188 ) |
30.176 ( 5.313 ) |
0.032 ( 0.184 ) |
30.789 ( 5.421 ) |
0.032 ( 0.181 ) |
31.363 ( 5.522 ) |
|
6 ( 15.2 ) |
0.034 ( 0.191 ) |
29.694 ( 5.228 ) |
0.032 ( 0.18 ) |
31.488 ( 5.544 ) |
0.03 ( 0.173 ) |
32.807 ( 5.776 ) |
0.03 ( 0.169 ) |
33.539 ( 5.905 ) |
0.029 ( 0.166 ) |
34.228 ( 6.026 ) |
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 ) |
0.037 ( 0.208 ) |
27.328 ( 4.811 ) |
0.035 ( 0.2 ) |
28.361 ( 4.993 ) |
0.034 ( 0.195 ) |
29.093 ( 5.122 ) |
0.034 ( 0.193 ) |
29.489 ( 5.192 ) |
0.033 ( 0.19 ) |
29.856 ( 5.256 ) |
5 ( 12.7 ) |
0.034 ( 0.194 ) |
29.235 ( 5.147 ) |
0.033 ( 0.186 ) |
30.596 ( 5.387 ) |
0.032 ( 0.18 ) |
31.575 ( 5.559 ) |
0.031 ( 0.177 ) |
32.11 ( 5.653 ) |
0.031 ( 0.174 ) |
32.608 ( 5.741 ) |
|
6 ( 15.2 ) |
0.032 ( 0.179 ) |
31.653 ( 5.573 ) |
0.03 ( 0.171 ) |
33.27 ( 5.857 ) |
0.029 ( 0.165 ) |
34.44 ( 6.063 ) |
0.029 ( 0.162 ) |
35.084 ( 6.177 ) |
0.028 ( 0.159 ) |
35.685 ( 6.282 ) |