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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.]
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