Link to law: http://apps.leg.wa.gov/wac/default.aspx?cite=51-11C-610226

Published: 2015

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WACs > Title 51 > Chapter 51-11C > Section 51-11C-610226

51-11C-610225

51-11C-61030

Agency filings affecting this section

WAC 51-11C-610226

Tables A102.2.6âAssembly U-factors for roofs with insulation entirely above deck.

Table A102.2.6 Assembly U-factors for Roofs with Insulation Entirely above Deck (Uninterrupted by Framing)

Rated R-Value of Insulation Alone: Minimum Throughout, Unsloped Rated R-Value of Insulation Alone: Average (R-5 minimum), Sloped (1/4 inch per foot maximum) Overall U-Factor for Entire Assembly

R-0 Not Allowed U-1.282

R-1 Not Allowed U-0.562

R-2 Not Allowed U-0.360

R-3 Not Allowed U-0.265

R-4 Not Allowed U-0.209

R-5 Not Allowed U-0.173

R-6 R-7 U-0.147

R-7 R-8 U-0.129

R-8 R-9 U-0.114

R-9 R-10 U-0.102

R-10 R-12 U-0.093

R-11 R-13 U-0.085

R-12 R-15 U-0.078

R-13 R-16 U-0.073

R-14 R-18 U-0.068

R-15 R-20 U-0.063

R-16 R-22 U-0.060

R-17 R-23 U-0.056

R-18 R-25 U-0.053

R-19 R-27 U-0.051

R-20 R-29 U-0.048

R-21 R-31 U-0.046

R-22 R-33 U-0.044

R-23 R-35 U-0.042

R-24 R-37 U-0.040

R-25 R-39 U-0.039

R-26 R-41 U-0.037

R-27 R-43 U-0.036

R-28 R-46 U-0.035

R-29 R-48 U-0.034

R-30 R-50 U-0.032

R-35 R-61 U-0.028

R-40 R-73 U-0.025

R-45 R-86 U-0.022

R-50 R-99 U-0.020

R-55 R-112 U-0.018

R-60 R-126 U-0.016

[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, Â§ 51-11C-610226, filed 2/1/13, effective 7/1/13.]

WACs > Title 51 > Chapter 51-11C > Section 51-11C-610226

51-11C-610225

51-11C-61030

Agency filings affecting this section

WAC 51-11C-610226

Tables A102.2.6âAssembly U-factors for roofs with insulation entirely above deck.

Table A102.2.6 Assembly U-factors for Roofs with Insulation Entirely above Deck (Uninterrupted by Framing)

Rated R-Value of Insulation Alone: Minimum Throughout, Unsloped Rated R-Value of Insulation Alone: Average (R-5 minimum), Sloped (1/4 inch per foot maximum) Overall U-Factor for Entire Assembly

R-0 Not Allowed U-1.282

R-1 Not Allowed U-0.562

R-2 Not Allowed U-0.360

R-3 Not Allowed U-0.265

R-4 Not Allowed U-0.209

R-5 Not Allowed U-0.173

R-6 R-7 U-0.147

R-7 R-8 U-0.129

R-8 R-9 U-0.114

R-9 R-10 U-0.102

R-10 R-12 U-0.093

R-11 R-13 U-0.085

R-12 R-15 U-0.078

R-13 R-16 U-0.073

R-14 R-18 U-0.068

R-15 R-20 U-0.063

R-16 R-22 U-0.060

R-17 R-23 U-0.056

R-18 R-25 U-0.053

R-19 R-27 U-0.051

R-20 R-29 U-0.048

R-21 R-31 U-0.046

R-22 R-33 U-0.044

R-23 R-35 U-0.042

R-24 R-37 U-0.040

R-25 R-39 U-0.039

R-26 R-41 U-0.037

R-27 R-43 U-0.036

R-28 R-46 U-0.035

R-29 R-48 U-0.034

R-30 R-50 U-0.032

R-35 R-61 U-0.028

R-40 R-73 U-0.025

R-45 R-86 U-0.022

R-50 R-99 U-0.020

R-55 R-112 U-0.018

R-60 R-126 U-0.016

[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, Â§ 51-11C-610226, filed 2/1/13, effective 7/1/13.]