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 ) |
|||||||
0.75 ft / ft ² ( rails ) 2.46 m / m ² ( rails ) |
|||||||||||
16 " ( 406.4mm ) |
4 ( 10.2 ) |
0.054 ( 0.304 ) |
18.658 ( 3.285 ) |
0.05 ( 0.283 ) |
20.105 ( 3.54 ) |
0.047 ( 0.268 ) |
21.199 ( 3.732 ) |
0.046 ( 0.26 ) |
21.818 ( 3.841 ) |
0.045 ( 0.253 ) |
22.407 ( 3.945 ) |
5 ( 12.7 ) |
0.05 ( 0.283 ) |
20.037 ( 3.528 ) |
0.046 ( 0.261 ) |
21.772 ( 3.833 ) |
0.043 ( 0.246 ) |
23.104 ( 4.068 ) |
0.042 ( 0.238 ) |
23.864 ( 4.201 ) |
0.041 ( 0.231 ) |
24.594 ( 4.33 ) |
|
6 ( 15.2 ) |
0.047 ( 0.268 ) |
21.171 ( 3.727 ) |
0.043 ( 0.245 ) |
23.182 ( 4.081 ) |
0.04 ( 0.23 ) |
24.746 ( 4.357 ) |
0.039 ( 0.221 ) |
25.648 ( 4.516 ) |
0.038 ( 0.214 ) |
26.519 ( 4.669 ) |
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 ) |
|||||||
0.5 ft / ft ² ( rails ) 1.64 m / m ² ( rails ) |
|||||||||||
24 " ( 609.6mm ) |
4 ( 10.2 ) |
0.046 ( 0.263 ) |
21.594 ( 3.802 ) |
0.044 ( 0.248 ) |
22.864 ( 4.025 ) |
0.042 ( 0.239 ) |
23.795 ( 4.189 ) |
0.041 ( 0.234 ) |
24.311 ( 4.28 ) |
0.04 ( 0.229 ) |
24.796 ( 4.365 ) |
5 ( 12.7 ) |
0.043 ( 0.242 ) |
23.478 ( 4.133 ) |
0.04 ( 0.227 ) |
25.036 ( 4.408 ) |
0.038 ( 0.217 ) |
26.193 ( 4.612 ) |
0.037 ( 0.212 ) |
26.84 ( 4.725 ) |
0.036 ( 0.207 ) |
27.451 ( 4.833 ) |
|
6 ( 15.2 ) |
0.04 ( 0.226 ) |
25.111 ( 4.421 ) |
0.037 ( 0.211 ) |
26.961 ( 4.747 ) |
0.035 ( 0.2 ) |
28.35 ( 4.991 ) |
0.034 ( 0.195 ) |
29.132 ( 5.129 ) |
0.033 ( 0.19 ) |
29.876 ( 5.26 ) |
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 ) |
|||||||
0.38 ft / ft ² ( rails ) 1.23 m / m ² ( rails ) |
|||||||||||
32 " ( 812.8mm ) |
4 ( 10.2 ) |
0.043 ( 0.242 ) |
23.439 ( 4.127 ) |
0.041 ( 0.231 ) |
24.549 ( 4.322 ) |
0.039 ( 0.224 ) |
25.347 ( 4.463 ) |
0.039 ( 0.22 ) |
25.785 ( 4.54 ) |
0.038 ( 0.217 ) |
26.192 ( 4.611 ) |
5 ( 12.7 ) |
0.039 ( 0.221 ) |
25.682 ( 4.522 ) |
0.037 ( 0.21 ) |
27.065 ( 4.765 ) |
0.036 ( 0.202 ) |
28.07 ( 4.942 ) |
0.035 ( 0.198 ) |
28.625 ( 5.04 ) |
0.034 ( 0.195 ) |
29.143 ( 5.131 ) |
|
6 ( 15.2 ) |
0.036 ( 0.205 ) |
27.688 ( 4.875 ) |
0.034 ( 0.194 ) |
29.353 ( 5.168 ) |
0.033 ( 0.186 ) |
30.576 ( 5.383 ) |
0.032 ( 0.182 ) |
31.255 ( 5.503 ) |
0.031 ( 0.178 ) |
31.894 ( 5.615 ) |
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 ) |
|||||||
0.3 ft / ft ² ( rails ) 0.98 m / m ² ( rails ) |
|||||||||||
40 " ( 1016mm ) |
4 ( 10.2 ) |
0.04 ( 0.23 ) |
24.705 ( 4.349 ) |
0.039 ( 0.221 ) |
25.684 ( 4.522 ) |
0.038 ( 0.215 ) |
26.38 ( 4.644 ) |
0.037 ( 0.212 ) |
26.757 ( 4.711 ) |
0.037 ( 0.21 ) |
27.107 ( 4.772 ) |
5 ( 12.7 ) |
0.037 ( 0.209 ) |
27.216 ( 4.792 ) |
0.035 ( 0.2 ) |
28.448 ( 5.008 ) |
0.034 ( 0.194 ) |
29.331 ( 5.164 ) |
0.034 ( 0.191 ) |
29.814 ( 5.249 ) |
0.033 ( 0.188 ) |
30.263 ( 5.328 ) |
|
6 ( 15.2 ) |
0.034 ( 0.193 ) |
29.504 ( 5.194 ) |
0.032 ( 0.183 ) |
31.003 ( 5.458 ) |
0.031 ( 0.177 ) |
32.088 ( 5.649 ) |
0.031 ( 0.174 ) |
32.685 ( 5.754 ) |
0.03 ( 0.171 ) |
33.241 ( 5.852 ) |