1700 ENGLAND AVE 2022-02-02 - Laserfiche WebLink

Table002.1.1 Footnotes For Sl:1 foot.=304.8 mm, ci .=continuous insulation, int.=intermediate framing. a R-values are minimums. U-factors and SHGC are maximums. When insulation is installed in a cavity which is less than the label or design thickness of the insulation, the compressed R-value of the insulation from Appendix Table A101.4 shal I not be less than the R-value specified in the table. b Thefenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration. c "10/15/21.+TB" means R-10 continuous insulation on the exterior of the wall, or R-15 on the continuous 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.+TB" shall be permitted to be met with R-13 cavity insulation on the interior of the basement wall plus R-5 continuous insulation on the interior or exterior of the wall l. "10/13" means R- 10 continuous 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 floor slab and basement wall. d R-10 continuous insulation is required under heated slab on grade floors. See 11402.2.9.1. eThere are no SHGC requirements in the Marine Zone. f Reserved. g Reserved. h Reserved. iThe second R-val ue applies when more than half the insulation is on the i nterior of the mass wal 1. j Reserved. k For single rafter-orjoist-vaulted ceilings, the insulation may be reduced to R-38. I Reserved. m Int. (intermediateframing) denotesstandard framing 16 incheson centerwith headers insulated with a minimum ofR-10 insulation. Table R402.1.3 Footnote a Nonfenestration U-factors shall be obtained from measurement, calculation or an approved sourceor as specified in Section R402.1.3. 2 (w