WAC 51-11C-610333:

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51-11C-610332 << 51-11C-610333 >> 51-11C-610334

PDFWAC 51-11C-610333

Section A103.3.3—Double stud wall.

A103.3.3 Double stud wall. Tables A103.3.3(1) and A103.3.3(2): Assumes an exterior structural wall and a separate interior, nonstructural wall. Insulation is placed in both wall cavities and in the space between the two walls. Stud spacing is assumed to be on 24 inch centers for both walls.

Table A103.3.3(1)

2 x 6 + 2 x 4: Double Wood Stud

			Siding Material/Frame Type
Batt Configuration			Lapped Wood		T1-11
Exterior	Middle	Interior	STD	ADV	STD	ADV
R-19	———	R-11	0.040	0.037	0.041	0.038
R-19	———	R-19	0.034	0.031	0.035	0.032
R-19	R-8	R-11	0.029	0.028	0.031	0.029
R-19	R-11	R-11	0.027	0.026	0.028	0.027
R-19	R-11	R-19	0.024	0.023	0.025	0.023
R-19	R-19	R-19	0.021	0.020	0.021	0.020

Table A103.3.3(2)

2 x 4 + 2 x 4: Double Wood Stud

			Siding Material/Frame Type
Batt Configuration			Lapped Wood		T1-11
Exterior	Middle	Interior	STD	ADV	STD	ADV
R-11	————	R-11	0.050	0.046	0.052	0.048
R-19	————	R-11	0.039	0.037	0.043	0.039
R-11	R-8	R-11	0.037	0.035	0.036	0.036
R-11	R-11	R-11	0.032	0.031	0.033	0.032
R-13	R-13	R-13	0.029	0.028	0.029	0.028
R-11	R-19	R-11	0.026	0.026	0.027	0.026

[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-610333, filed 2/1/13, effective 7/1/13.]