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. Table R402.1.1 Footnotes <br /> For 51: 1 foo[ .= 304.8 mm, ci ._ �on�uous insulation, int .= intermediale frami <br /> ' R-values are minimums. U-factors and SHGC are maximums. When insulation is installed in a cavity which is <br /> less than the label or design thickness of the insulation,the compressed R•value of the insuiation from <br /> Appendix 7able AS01.4 shall not be Iess than the R-value specified in the table. <br /> b The fenestration U-factor column exdudes skylights. The SHGC column applies to all glazed fenestratior. <br /> Exception: Skylights may be excluded from glazed fenestration SHGC requirements in Climate Zones 1 <br /> through 3 where the SHGC(or such skylights does not exceed 030. <br /> ` "10/15/21.+TB" means R-10 continuous insulation on the exterior of the wall, or R-]5 on the continuo�.:s <br /> insulation on the interior of the wall, or R-21 cavity insulation plus a thermal break between the siab and the <br /> basement wall at the interior of the basement wall. "10/15/21.+T8" shall be permitted to be met wi:h R-13 <br /> cavity insulation on the interior of the basement wall plus R-5 continuous insulation on the interior or <br /> exterior of the wall. "10/13" means R-10 continuous insulation on the interior or exterior oF the home or R-13 <br /> ° R-10 continuous insulation is required under heated slab on grade floors. See R402.2.9.1. <br /> e There are no SHGC requirements in the Marine Zone. <br /> � Basement wall insulation is not required in warm-humid locations as defined by Figure R301.1 and Table R30 <br /> � Reserved. <br /> " First value is cavity insulation, second is continuous insulation or insulated siding, so "13.+5" means R-13 cav <br /> ' The second R-value applies when more than hal(the insulation is on the interior of the mass wall. <br /> � For single rafter- orjoist-vaulted ceilings, thc insulation may be reduced to R-38. <br /> " Int. (intermediate framing)denotes standard framing 16 inches on center with headers insulated with a mini <br /> � log and solid timber walls with a minimum average thickness of 3.5 inches are exempt from this insulation r <br /> Table R402.1.3 Footnote <br /> ' Non(enestration U-factors shall be obtained from measurement, calculation or an approved source or as sp <br /> � . . . .,�r.,: .t:�, <br /> y:,; <br /> / G� <br /> �j J <br />