318 94TH PL SE 2015 Plans 2022-11-29

Table R402.1.1 Footnotes � For5l: lfoot : 304.8mm, ci .= mntinuousinsulation,int .=intermediateframing. a R-values are minimums. U-fac[ors and SHGC are maximums. When insulation is installed in a cavitywhich is less than the label ordesign thickness of the insulation,the compressed R-value of the insulation from AppendixTable A1D1.4shall not be less than the R-value specified inthe table. °The fenestration U-facmr mlumn exdudes skylights The SHGC mlumn applies to all glazed fenestration. Exception: Skylights may be exduded from glazed fenestration SHGC requirements in Climate Zones 1 through 3 where the SHGC for such skylights does not exceed 0.30. "'10/15/21+T8" means R-10 mntinuous insulation on the exterior of the wall, or R45 on the mntinuous insulation on the interior of the wall,or R-21 cavity insulation plus a thermal break between the slab and the basement wall at the interior of the basement wall. "10/15/21.+T8" shall be permitted to be met with R-13 cavity insulation on the interior of the basement wall plus R-5 mntinuous insulation on the interior or exterior of the walL "10/13" means R-10 mntinuous insulation on the interior or exterior of the home or R- 13 cavity insulation at the interior of the basement walL "TB"means thermal break between floorslab and basement wall. ° R-10 mntinuous insulation is required under heated slab on grade floors See R4022.9.1. eThere are noSHGC requirements inthe Marine Zone. f Basement wall insulation is not required in warm-humid locations as defined by Figure R301.1 and Table R301.1. e Reserved. ° First value is cavity insulatioq semnd is mntinuous insulation or insulated siding, so "13.+5" means R-13 cavity insulation pWs R-5 mntinuous insulation or insulated siding. If strucwral sheathing covers 40 pe¢ent or less of the exterior, mntinuous insulation R-value shall be permitted to be reduced by no more than R-3 in the locations where structuralsheathingis used to maintain a consistenttotalsheathingthickness. �The semnd R-value applies when more than half the insulation is on the interior of the mass wall. ' For single rafter-orjoist-vaWted ceilings,the insulation may be reduced to R38. " Int (mtermediate framing) denotes standard framfng 1ti fnches on center with headers insulated with a minimum of R-10 insulation. � Log and solid timber walls with a minimum average thickness of 3.5 inches are exempt from this insulation requirement. Table R402.13 Footnote a Nonfenestration U-facmrs shall be obtained from measurement, calculation oran approved source oras specified in Sec[ion R402.1.3.