4124 COLBY AVE 2018-05-17 - Laserfiche WebLink

'1'able R402o9..1 Footnotes . Fo�SI: 1 foot.=304.8 mm, ci .=c ��uous insulation, int.=intermediate frar� a R-values are minimums. U-facto d SNGC are maxirnums.When insulation �s installed in a cavity which is less than the iabel or design thickness of the insulation,the compressed R-value of the insulation frorri Appendix Table A1a1.4 shall not be less than�he R-value specified in the tabie. b The fenestration U-factor column exclud�es skylights.The SHGC column appiies to aii giazed fenestration. `"1a/15/21.+TB" means R-10 continuous insulation on the exterior of the wall,or R-15 on the continuous insulation on the in�erior af the wall, or R-21 cavity insulation plus a thermal break between the slab and the basement wali at the interior of the basement wali. "10J15/21.+TB"shall be permitted tQ be met wiCh R-13 � cavity insulation on the interior of the basement wall plus R-5 con#inuous insulation on the interior or exterior of th�watl. "10/13" means R-10 cantinuous insulation or�the interior or exterior of the home or R-13 cavity - insulation at the interior of the basement vvall. "TB" means thermal break between floor slab and basement wall. d R-14 continuous insulation is required under heated slab on grade floors.See R402.2.9.1. �There are no SHGC requirements in the Marine Zone. f Reserved. �Reserved. h Reserved. 'The second R-value applies when�nore than half the insulation is on the interior of the mass wall. ' Reserved. k For single rafter-or joist-vaulted ceilings,the insulation may be reduced to R-38. � Reserved. "'Int. (intermediate framingj denotes standard framing 16 inches on center with headers insulated with a minimum of R-10 insulation. Table R402.1.3 Foo�note a Nonfenestration U-factors shall be obtained from measurement,calculatian or an approved source or as specified in Section R402.1.3. ,%�". ��..,� � : _ �f