Insulating crawl space

11-22-2012, 05:43 PM	#1
Cheveldave Newbie   Join Date: Nov 2012 Posts: 1	Insulating crawl space The video says not to use a vapor barrier. But why can't I first use the plastic strips that fit between the joists up against the floor and then put up the Roxul batts. The vapor barrier is then on the warm side of the insulation.

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11-22-2012, 06:13 PM	#2
Gary in WA Moderator   Join Date: Mar 2009 Posts: 8,770	Insulating crawl space Welcome to the forums! Where are you located? 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!

11-25-2012, 12:34 AM	#3
jklingel Member   Join Date: Dec 2008 Location: Fairbanks, AK Posts: 1,747	Insulating crawl space what flooring is above where you propose to install the vb? it better be very vapor open, or you are asking for mold and rot. what is the reason you want the vb, anyway? why not air seal and apply insulation as per buildingscience.com? you will have a vb on the ground, right?