Section A103.3.2—Strap wall.
A103.3.2 Strap wall. Table A103.3.2: Assumes 2 x 6 studs framed on 16 or 24 inch centers. 2 x 3 or 2 x 4 strapping is run horizontally along the interior surface of the wall to provide additional space for insulation.
Table A103.3.2
2 x 6: Strap Wall
| Siding Material/Frame Type |
| Lapped Wood | T1-11 |
| STD | ADV | STD | ADV |
R-19 + R-11 Batts | 0.036 | 0.035 | 0.038 | 0.036 |
R-19 + R-8 Batts | 0.041 | 0.039 | 0.042 | 0.040 |