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 ) |
0.037 ( 0.213 ) |
26.724 ( 4.705 ) |
0.034 ( 0.191 ) |
29.795 ( 5.246 ) |
0.031 ( 0.176 ) |
32.263 ( 5.68 ) |
0.03 ( 0.168 ) |
33.719 ( 5.936 ) |
0.028 ( 0.162 ) |
35.148 ( 6.188 ) |
5 ( 12.7 ) |
0.037 ( 0.208 ) |
27.372 ( 4.819 ) |
0.033 ( 0.185 ) |
30.717 ( 5.408 ) |
0.03 ( 0.17 ) |
33.435 ( 5.886 ) |
0.029 ( 0.162 ) |
35.052 ( 6.171 ) |
0.027 ( 0.155 ) |
36.649 ( 6.452 ) |
|
6 ( 15.2 ) |
0.036 ( 0.204 ) |
27.797 ( 4.894 ) |
0.032 ( 0.181 ) |
31.369 ( 5.523 ) |
0.029 ( 0.166 ) |
34.303 ( 6.039 ) |
0.028 ( 0.158 ) |
36.061 ( 6.349 ) |
0.026 ( 0.15 ) |
37.807 ( 6.656 ) |
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 ) |
0.03 ( 0.171 ) |
33.188 ( 5.843 ) |
0.028 ( 0.157 ) |
36.285 ( 6.388 ) |
0.026 ( 0.147 ) |
38.687 ( 6.811 ) |
0.025 ( 0.142 ) |
40.07 ( 7.055 ) |
0.024 ( 0.137 ) |
41.404 ( 7.289 ) |
5 ( 12.7 ) |
0.029 ( 0.166 ) |
34.224 ( 6.025 ) |
0.027 ( 0.151 ) |
37.64 ( 6.627 ) |
0.025 ( 0.141 ) |
40.317 ( 7.098 ) |
0.024 ( 0.136 ) |
41.87 ( 7.371 ) |
0.023 ( 0.131 ) |
43.375 ( 7.636 ) |
|
6 ( 15.2 ) |
0.029 ( 0.162 ) |
35.009 ( 6.164 ) |
0.026 ( 0.147 ) |
38.711 ( 6.815 ) |
0.024 ( 0.136 ) |
41.641 ( 7.331 ) |
0.023 ( 0.131 ) |
43.351 ( 7.632 ) |
0.022 ( 0.126 ) |
45.017 ( 7.926 ) |
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 ) |
0.026 ( 0.15 ) |
37.753 ( 6.647 ) |
0.025 ( 0.139 ) |
40.719 ( 7.169 ) |
0.023 ( 0.132 ) |
42.964 ( 7.564 ) |
0.023 ( 0.128 ) |
44.236 ( 7.788 ) |
0.022 ( 0.125 ) |
45.448 ( 8.001 ) |
5 ( 12.7 ) |
0.026 ( 0.145 ) |
39.12 ( 6.887 ) |
0.024 ( 0.134 ) |
42.42 ( 7.468 ) |
0.022 ( 0.126 ) |
44.943 ( 7.913 ) |
0.022 ( 0.122 ) |
46.381 ( 8.166 ) |
0.021 ( 0.119 ) |
47.758 ( 8.408 ) |
|
6 ( 15.2 ) |
0.025 ( 0.141 ) |
40.228 ( 7.082 ) |
0.023 ( 0.13 ) |
43.841 ( 7.718 ) |
0.021 ( 0.122 ) |
46.628 ( 8.209 ) |
0.021 ( 0.118 ) |
48.225 ( 8.49 ) |
0.02 ( 0.114 ) |
49.762 ( 8.761 ) |
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 ) |
0.024 ( 0.138 ) |
41.15 ( 7.245 ) |
0.023 ( 0.129 ) |
43.941 ( 7.736 ) |
0.022 ( 0.123 ) |
46.017 ( 8.102 ) |
0.021 ( 0.12 ) |
47.179 ( 8.306 ) |
0.021 ( 0.118 ) |
48.278 ( 8.5 ) |
5 ( 12.7 ) |
0.023 ( 0.133 ) |
42.793 ( 7.534 ) |
0.022 ( 0.124 ) |
45.919 ( 8.084 ) |
0.021 ( 0.118 ) |
48.266 ( 8.497 ) |
0.02 ( 0.115 ) |
49.586 ( 8.73 ) |
0.02 ( 0.112 ) |
50.84 ( 8.951 ) |
|
6 ( 15.2 ) |
0.023 ( 0.129 ) |
44.18 ( 7.778 ) |
0.021 ( 0.119 ) |
47.628 ( 8.385 ) |
0.02 ( 0.113 ) |
50.238 ( 8.845 ) |
0.019 ( 0.11 ) |
51.714 ( 9.105 ) |
0.019 ( 0.107 ) |
53.122 ( 9.352 ) |