Wash. Admin. Code § 51-11C-610714
Current through Register Vol. 24-21, November 1, 2024
Table A107.1(4)
Default U-factors for Steel Garage and Hangar Doors
| Double-skin Steel Garage and Aircraft Hangar Doors | |||||
| One-piece tilt-upa | Sectional tilt-upb | Aircraft hangar | |||
| Insulatione | 8 ft. x 7 ft. | 16 ft. x 7 ft. | 9 ft. x 7 ft. | 72 ft. x 12 ft.c | 240 ft. x 50 ft.d |
| 1-3/8 in. thickness XPS, steel ribs EPS, steel ribs | 0.36 0.33 | 0.33 0.31 | 0.34 - 0.39 0.31 - 0.36 | ||
| 2 in. thickness XPS, steel ribs EPS, steel ribs | 0.31 0.29 | 0.28 0.26 | 0.29 - 0.33 0.27 - 0.31 | ||
| 3 in. thickness XPS, steel ribs EPS, steel ribs | 0.26 0.24 | 0.23 0.21 | 0.25 - 0.28 0.24 - 0.27 | ||
| 4 in. thickness XPS, steel ribs EPS, steel ribs | 0.23 0.21 | 0.20 0.19 | 0.23 - 0.25 0.21 - 0.24 | ||
| 6 in. thickness XPS, steel ribs EPS, steel ribs | 0.20 0.19 | 0.16 0.15 | 0.20 - 0.21 0.19 - 0.21 | ||
| 4 in. thickness Noninsulated Expanded polystyrene Mineral wool, steel ribs Extruded polystyrene | 1.10 0.25 0.25 0.23 | 1.23 0.16 0.16 0.15 | |||
| 6 in. thickness Noninsulated Expanded polystyrene Mineral wool, steel ribs Extruded polystyrene | 1.10 0.21 0.23 0.20 | 1.23 0.13 0.13 0.12 | |||
| Uninsulated All products | 1.15 | ||||
a Values are for thermally broken or thermally unbroken doors. |
b Lower values are for thermally broken doors; upper values are for doors with no thermal break. |
c Typical size for a small private airplane (single-engine or twin). |
d Typical hangar door for a midsize commercial jet airliner. |
e XPS is extruded polystyrene, EPS is expanded polystyrene. |
Wash. Admin. Code § 51-11C-610714
Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. 13-04-056, § 51-11C-610714, filed 2/1/13, effective 7/1/13.