Was just looking for some input on different techniques for ensuring a permanent seal between a block foundation wall, and a 6 mil. poly barrier resting on a dirt crawlspace floor?  If one could referrence specific products that would aide also.  Thanks in advance for your input.

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usually you are running an exhaust fan while we do the work, and we hacve occasionally left a fan blowing for several hours afterwards to evacualte odors.  not necessarily VOC's, but amines, etc. 

there havebeen jobs i have declined becasue venting during install would not be practical

 

Your Crawlspace Inc. sells a vapor barrier specifically designed for crawlspace wall applications and requires no mechanical fasteners. It is installed in one step with a VOC compliant polyurethane adhesive. Since water is a catalyst for polyurethane to cure, it even works on water saturated foundation walls. It cuts hours off a typical installation. You can find more information at www.yourcrawlspace.com.

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