WAC 51-11R-30312
WAC 51-11R-30312. Table R303.1.3(2) — Default opaque door U -factors
TABLE R303.1.3(2)
DEFAULT OPAQUE DOOR U -FACTORS
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 frame a 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 R303.1.3(1) Insulated steel slab with wood edge in wood frame a 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 R303.1.3(1) Foam insulated steel slab with metal edge in steel frame b 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 R303.1.3(1) Cardboard honeycomb slab with metal edge in steel frame b 0.61 Style and Rail Doors Sliding glass doors/French doors Use Table R303.1.3(1) 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
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 frame a
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 R303.1.3(1)
Insulated steel slab with wood edge in wood frame a
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 R303.1.3(1)
Foam insulated steel slab with metal edge in steel frame b
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 R303.1.3(1)
Cardboard honeycomb slab with metal edge in steel frame b
0.61
Style and Rail Doors
Sliding glass doors/French doors
Use Table R303.1.3(1)
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) of chapter 51-11C WAC may also be used if applicable.
a
Thermally broken sill (add 0.03 for nonthermally broken sill).
b
Nonthermally broken sill.