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PDFWAC 51-11C-610711

Table A107.1(1)—Default U-factors for doors.

Table A107.1(1)
Default U-factors for Doors
Door Type
No
Glazed
Fenestration
Single
Glazing
Double
Glazing
with 1/4 in.
Airspace
Double
Glazing
with 1/2
in.
Airspace
Double
Glazing
with
e  =  0.10,
1/2 in.
Argon
Swinging Doors (Rough opening - 38 in. x 82 in.)
Slab Doors
 
 
 
 
 
Wood slab in wood framea
0.46
 
 
 
 
 
6% glazed fenestration (22 in. x 8 in. lite)
-
0.48
0.47
0.46
0.44
 
25% glazed fenestration (22 in. x 36 in. lite)
-
0.58
0.48
0.46
0.42
 
45% glazed fenestration (22 in. x 64 in. lite)
-
0.69
0.49
0.46
0.39
 
More than 50% glazed fenestration
 
Use Table C303.1.3(1)/R303.1.3(1) as appropriate
Insulated steel slab with wood edge in wood framea
0.16
 
 
 
 
 
6% glazed fenestration (22 in. x 8 in. lite)
-
0.21
0.20
0.19
0.18
 
25% glazed fenestration (22 in. x 36 in. lite)
-
0.39
0.28
0.26
0.23
 
45% glazed fenestration (22 in. x 64 in. lite)
-
0.58
0.38
0.35
0.26
 
More than 50% glazed fenestration
 
Use Table C303.1.3(1)/R303.1.3(1) as appropriate
Foam insulated steel slab with metal edge in steel frameb
0.37
 
 
 
 
 
6% glazed fenestration (22 in. x 8 in. lite)
-
0.44
0.42
0.41
0.39
 
25% glazed fenestration (22 in. x 36 in. lite)
-
0.55
0.50
0.48
0.44
 
45% glazed fenestration (22 in. x 64 in. lite)
-
0.71
0.59
0.56
0.48
 
More than 50% glazed fenestration
 
Use Table C303.1.3(1)/R303.1.3(1) as appropriate
Cardboard honeycomb slab with metal edge in steel frameb
0.61
 
 
 
 
Style and Rail Doors
 
 
 
 
 
 
Sliding glass doors/French doors
 
Use Table C303.1.3(1)/R303.1.3(1) as appropriate
Site-Assembled Style and Rail Doors
 
 
 
 
 
Aluminum in aluminum frame
-
1.32
0.99
0.93
0.79
 
Aluminum in aluminum frame with thermal break
-
1.13
0.80
0.74
0.63
Note:
Appendix A Tables A107.1(2) through A107.1(4) may also be used if applicable.
 
a Thermally broken sill (add 0.03 for nonthermally broken sill).
 
b Nonthermally broken sill.
[Statutory Authority: RCW 19.27A.025, 19.27A.045, 19.27.020, and 19.27.074. WSR 14-24-122, § 51-11C-610711, filed 12/3/14, effective 1/3/15. Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-610711, filed 2/1/13, effective 7/1/13.]
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