rim joist insulation

09-16-2012, 05:37 PM	#1
beattie Newbie   Join Date: Sep 2012 Posts: 1	rim joist insulation is the builder of my house required by code to insulate my rim joists

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09-16-2012, 10:35 PM	#2
joecaption Member   Join Date: Nov 2011 Location: Hartfield VA Posts: 18,307	rim joist insulation You did not add where you live in your profile. It's always best to give your local code office a call with a question like this. It's not required in my area.

09-16-2012, 11:58 PM	#3
Gary in WA Moderator   Join Date: Mar 2009 Posts: 8,786	rim joist insulation If in the U.S. you probably are required to air seal AND insulate the rims. The "I" Codes require it; eg. #11; http://publicecodes.cyberregs.com/ic...002_par021.htm 5th down; http://publicecodes.cyberregs.com/ic...002_par022.htm Even Joe's State requires it; IECC 2009; http://www.reedconstructiondata.com/...odes/virginia/ #11 again: http://publicecodes.cyberregs.com/ic...9_4_par025.htm 5th down again: http://publicecodes.cyberregs.com/ic...9_4_par026.htm Either caulking or canned foam to air seal, wall (usually) thickness insulation on rim. Always check with local AHJ. Gary __________________ Clothes taking longer to dry? Clean the dryer screen in HOT water if using fabric softener sheets. They leave a residue that impedes air-flow, costing you money. Clean the ducting in the last six months? 17,000 dryer fires annually!