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Envelope Requirements Summary, pg 1 ENV-REQ 2015 WSEC Compliance Forms for Commercial Buildings including R2,R3,&R4 over 3 stories and all R1 Revised Jun 2016 Minimum Requirements This table summarizes prescriptive compliance requirements for opaque elements and fenestration.Refer for Prescriptive Compliance to Tables C402.1.3,C402.1.4 and C4024 in the 2015 WSEC for important footnotes that apply to these tables. Refer to Section C402 for all applicable requirements that apply for each envelope element type and applicable exceptions. Refer to Section C410 for all applicable information for refrigerated spaces. Table C402.1.3 Notes 1,7 Table C402.1.4 Notes 1,2 Prescriptive Path Insulation Minimum R-Value Assembly Maximum U-factor Occupancy Group All Other I Group R All Other I Group R Opaque Elements Roofs Insulation Entirely above Deck R-38 c.i. R-38 c.i. U-0.027 U-0.027 Metal Building(with thermal spacer block)Note 3 R-25+R-I 1 Ls R-25+R-11 Ls U-0.031 U-0.031 Attic and Other R-49 R-49 U-0.021 U-0.021 Joist or single rafter R-49 R-49 U-0.027 U-0.027 Walls,Above-grade Mass R-9.S c.i.Note 6 R-13.3 c.i. U-0.104 Note 6 U-0.078 Mass transfer deck slab edge No R-Value for prescriptive compliance U-0.200 U-0.200 Metal Building R-19 c.i. R-19 c.i. U-0.052 U-0.052 Steel Framed R-13+R-10c.i. R-19+R-8.5 c.i. U-0.055 U-0.055 Wood Framed and Other R-2I w/int.frame R-21 w/int.frame U-0.054 U-0.054 Below Grade Wall Note 4 Same as above grade Same as above grade Floors Mass R-30 c.i. R-30 c.i. U-0.031 U-0.031 Steel Joist R-38+R-10 c.i. R-38+R-10 c.i. U-0.029 U-0.029 Wood Framed and Other R-30 R-30 U-0.029 U-0.029 Slab-On-Grade Floors Unheated R-10 for 24 in.(from top of slab) _ F-0.54 F-0.54 Heated Notes R-10 perimeter&under entire slab F-0.55 F-0.55 Opaque Doors Swinging No R-Value for prescriptive compliance U-0.37 U-0.37 Nonswinging(Roll-up or sliding) R-4.75 I R-4.75 U-0.34 U-0.34 Table C402.4-0-30%of wall area,or 30%-40%per Section C402.3.1.1 DLZ Section C402.3.1.3 High Performance or Section C402.3.1.4 DOAS Fenestration Option-0-40%of wall area Fenestration Assembly Maximum U-factor Notes 1,2 Vertical Fenestration Nonmetal framing U-0.30 U-0.30 U-0.28 U-0.28 Metal framing(fixed) U-0.38 U-0.38 U-0.34 U-0.34 Metal framing(operable) U-0.40 U-0.40 U-0.36 U-0.36 Entrance doors U-0.60 1 U-0.60 U-0.60 U-0.60 Skylights Skylights U-0.50 I U-0.50 U-0.50 l U-0.50 Fenestration Assembly Maximum SHGC Factor Vertical Fenestration PF<0.2:north-SHGC�.53; PF<0.2:north-SHGC 3.46; all other SHGCO.4 all other SHGC�.35 0.2 5 PF<0.5:north-SHGC-0.58; 0.2 5 PF<0.5:north-SHGC-0.51; all other-SHGC-0.48 all other-SHGC-0.42 PF '0.5:all orientations-SHGC-0.64 ' PF>_0.5:all orientations-SHGC-0.56 Skylights SHGC-0.35 SHGC-0.35 C410.2 Refrigerated Spaces Insulation Insulation Minimum R-Value Assembly Maximum U-factor Freezers-Walk-in and Warehouse Roof/Ceiling R-32 U-0.030 Wall R-32 U-0.030 Door R-32 U-0.030 Door-transparent reach-in triple-pane,heat-reflective treated or gas Floor R-28 U-0.035 Coolers-Walk-in and Warehouse Roof/Ceiling R-25 U-0.039 Wall R-25 U-0.039 Door R-25 U-0.039 Door-transparent reach-in double-pane,heat-reflective treated&gas fill,or comply with freezer door req. Floor No Requirement 1 7