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TABLE C402.4 C402.4.1.1 Increased vertical fenestration area : <br /> BUILDING ENVELOPE FENESTRATION with daylight responsive controls.A maximum of : <br /> MAXIMUM U-FACTOR AND SHGC 40 percent ofthe gross above-grade wall area shall be : <br /> REQUIREMENTS permitted to be vertical fenestration for the purpose : <br /> of prescriptive compliance with Section C402.1.4 or : <br /> CLIMATE 5 AND MARINE 4 for the component performance alternative in Section : <br /> ZONE C402.1.5,provided all of the following requirements : <br /> Vertical Fenestration are met: : <br /> 1. In buildings not greater than two stories above <br /> (I-factor grade,no less than 50 percent of the conditioned <br /> Nonmetal framing floor area is within a daylight zone. <br /> (all)a 0.30 2. In buildings three or more stories above grade, <br /> Metal framing not less than 25 percent of the net floor area is <br /> (fixed)e 038 within a daylight zone. <br /> Metal framing 3. Daylight responsive controls complying with <br /> (operable)` 0.40 Section C405.2.4.1 are installed in daylight <br /> zones. <br /> Metal framing 0.60 4. Visible transmitCance(V'1�of vertical <br /> (entrance doors)d fenestration is greater than or equal to 1.1 times <br /> SHGC solar heat gain coefftcient(SHGC). <br /> Exception:Fenestration that is outside the scope of <br /> Orientation SEW N NFRC 200 is not required to comply with Item 4. <br /> C402.4.1.2 Reserved. • <br /> PF<0.2 0.40 0.53 � <br /> C402.4.1.3 Increased vertical fenestration area with • <br /> � <br /> 0.2<PF<0.5 0.48 0.58 high-performance jenestration.The vertical . <br /> fenestration area(not including opaque doors and : <br /> PF>0.5 0.64 0.64 opaque spandrel panels)is permitted to exceed 30%but : <br /> shall not exceed 40%of the gross above grade wall area, : <br /> Skylights for the purpose of prescriptive compliance with Section : <br /> C402.1.3 provided that each of the following conditions : <br /> U-factor 0.50 are met: : <br /> 1. The vertical fenestration shall have the following <br /> SHGC 0.3 5 tJ-factors: <br /> a. Non-metal framing(all)=0.28 <br /> NR= No requirement. b. Meta1 framing(fixed)=0.34 <br /> a. °Nonmetal framing"includes framing materials other a Metal framing(operable)=0.36 <br /> than metal,with or without metal reinforcing or d. Metal framing(entrance doors)=0.60 <br /> cladding. 2. The SHGC of the vertical fenestration shall be Iess <br /> b. "Metal framing"includes metal framing,with or than or equal to 0.35,adjusted for projection factor <br /> without thermal break. "Fixed"includes curtain wall, in compliance with C402.43. <br /> storefront,picture windows,and other fixed windows. An area-weighted average shall be permitted to satisfy ■ <br /> c. °Nletal framing"includes meta]framing,with or without the U-factor requirement for each fenestration product : <br /> thermal break."Operable"includes openable category listed in Item i of this section. Individual . <br /> fenestration products other than"entrance doors.° fenestration products from different fenestration product : <br /> d. "Metal framing"includes metal framing,with or without categories shall not be combined in calculating the � <br /> thermal break."Entrance door"includes glazed swinging area-weighted average U-factor. ■ <br /> entrance doors.Other doors which are not entrance The compliance path described in this section is not ■ <br /> doars,including sliding glass doors,are considered permitted to be used for the Total Building Performance : <br /> "operable." compliance path in Section C407.The compliance path : <br /> described in this section is permitted to be used for the : <br /> C402.41 Maximum area.The vertical fenestration component performance alternative in Section : <br /> area(not including opaque doors and opaque spandrel C402.1.5,provided that the requirements of Section : <br /> panels)shall not exceed 30 percent of the gross C402.1.5 are met. : <br /> above-grade wall area. The skylight area shall not <br /> exceed 3 percent of the gross roof area. <br /> 2015 Washington State Energy Code CE-29 <br />