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2015 WSEC Compliance Forms for Commercial Buildings including R2, R3, & R4 over 3 stories and all R1 Revised Jun 2016 <br />Minimum Requirements This table summarizes prescriptive compliance requirements for opaque elements and fenestration. Refer <br />for Prescriptive Compliance to Tables C40Z 1.3, C402.1.4 and C402.4 in the 2015 WSEC for important footnotes that apply to <br />these tables. Refer to Section C402 for all applicable requirements that apply for each envelope element <br />type and applicable exceptions. Refer to Section C410 for all applicable information for refrigerated <br />spaces. <br />Prescriptive Path <br />Table C402.1.3 Notes 1,7 <br />Insulation Minimum R-Value <br />Table C402.1.4 Notes 1,2 <br />Assembly Maximum U-factor <br />Occupancy GroupAll <br />Other GroupR <br />All Other Grou R <br />Opaque Elements <br />Roofs <br />Insulation Entirely above Deck <br />R-38 c.i. <br />R-38 c.i. <br />U-0.027 <br />U-0.027 <br />Metal Building with thermalspacer block Note 3 <br />R-25 + R-11 Ls <br />R-25 + R-11 Ls <br />U-0.031 <br />U-0.031 <br />Attic and Other <br />R-49 <br />R-49 <br />U-0.021 <br />U-0.021 <br />Joist or single rafter <br />R-49 <br />R-49 <br />U-0.027 <br />U-0.027 <br />Walls, Above -grade <br />Mass <br />R-9.5 c.i. Note 6 R-13.3 c.i. <br />U-0.104 Note 6 <br />U-0.078 <br />Mass transfer deck slab edge <br />No R-Value for prescriptive compliance <br />U-0.200 <br />U-0.200 <br />Metal Building <br />R-19 c.i. <br />R-19 c.i. <br />U-0.052 <br />U-0.052 <br />Steel Framed <br />R-13 + R-10c.i. <br />I R-19 + R-8.5 c.i. <br />U-0.055 <br />U-0.055 <br />Wood Framed and Other <br />R-21 w/ int. frame <br />I R-21 w/ int. frame <br />U-0.054 <br />U-0.054 <br />Below Grade Wall Note 4 <br />Same as above grade <br />Same as above grade <br />Floors <br />Mass <br />R-30 c.i. <br />R-30 c.i. <br />U-0.031 <br />U-0.031 <br />Steel Joist <br />R-38 + R-10 c.i. <br />R-38 + R-10 c.i. <br />U-0.029 <br />U-0.029 <br />Wood Framed and Other <br />R-30 <br />R-30 <br />U-0.029 <br />U-0.029 <br />Slab -On -Grade Floors <br />Unheated <br />R-10 for 24 in. (from top of slab) <br />F-0.54 <br />F-0.54 <br />Heated Note 5 <br />R-10 perimeter & under entire slab <br />F-0.55 <br />F-0.55 <br />Opaque Doors <br />Swinging <br />No R-Value for prescriptive compliance <br />U-0.37 <br />U-0.37 <br />Nonswin in(Roll-up or sliding) <br />R-4.75 I R-4.75 <br />U-0.34 <br />U-0.34 <br />Table C402.4 - 0-30% of wall area, or <br />30%-40%per Section C402.3.1.1 DLZ <br />or Section C402.3.1.4 DOAS <br />Section C402.3.1.3 High Performance <br />Fenestration Option - 0-40/ of wall area <br />Fenestration <br />Assembly Maximum U-factor Notes 1,2 <br />Vertical Fenestration <br />Nonmetal framm' <br />U-0.30 <br />U-0.30 <br />U-0.28 <br />U-0.28 <br />Metal framing (fixed) <br />U-0.38 <br />U-0.38 <br />U-0.34 <br />U-0.34 <br />Metal framing (operable) <br />U-0.40 <br />U-0.40 <br />U-0.36 <br />U-0.36 <br />Entrance doors <br />U-0.60 <br />U-0.60 <br />U-0.60 <br />U-0.60 <br />Skylights <br />Skylights <br />U-0.50 U-0.50 U-0.50 U-0.50 <br />Fenestration <br />Assembly Maximum SHGC Factor <br />Vertical Fenestration <br />PF<0.2: north - SHGC=0.53; <br />all other SHGC-0.4 <br />0.2 5 PF < 0.5: north - SHGC-0.58; <br />all other - SHGC-0.48 <br />PF z 0.5: all orientations - SHGC-0.64 <br />PF<0.2: north - SHGC=0.46; <br />all other SHGC=0.35 <br />0.25 PF < 0.5: north - SHGC-0.51; <br />all other - SHGC-0.42 <br />PF z 0.5: all orientations - SHGC-0.56 <br />Skylights <br />SHGC-0.35 <br />SHGC-0.35 <br />C410.2 Refrigerated Spaces Insulation <br />Insulation Minimum R-Value <br />Assembly Maximum U-factor <br />Freezers - Walk-in and Warehouse <br />Roof / Ceiling <br />R-32 <br />U-0.030 <br />Wall <br />R-32 <br />U-0.030 <br />Door <br />R-32 <br />U-0.030 <br />Door - transparent reach -in <br />triple -pane, heat -reflective treated or gas <br />Floor <br />R-28 <br />U-0.035 <br />Coolers - Walk-in and Warehouse <br />Roof / Ceiling <br />R-25 <br />U-0.039 <br />Wall <br />R-25 <br />U-0.039 <br />Door <br />R-25 <br />U-0.039 <br />Door - transparent reach -in <br />double -pane, heat -reflective treated & gas <br />fill, or comply with freezer door req. <br />Floor <br />No Requirement <br />