PDFWAC 51-11C-610713
Table A107.1(3)—Default U-factors for steel emergency doors.
Table A107.1(3)
Default U-factors for Steel Emergency Doors
Double-skin Steel Emergency Exit Doors | ||
Core Insulation | 3 ft. x 6 ft. 8 in. | 6 ft. x 6 ft. 8 in. |
1-3/8 in. thickness Honeycomb kraft paper Mineral wool, steel ribs Polyurethane foam | 0.57 0.44 0.34 | 0.52 0.36 0.28 |
1-3/4 in. thickness Honeycomb kraft paper Mineral wool, steel ribs Polyurethane foam | 0.57 0.41 0.31 | 0.54 0.33 0.26 |
1-3/8 in. thickness Honeycomb kraft paper Mineral wool, steel ribs Polyurethane foam | 0.60 0.47 0.37 | 0.55 0.39 0.31 |
1-3/4 in. thickness Honeycomb kraft paper Mineral wool, steel ribs Polyurethane foam | 0.60 0.44 0.34 | 0.57 0.37 0.30 |
[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-610713, filed 2/1/13, effective 7/1/13.]