24 Feb '12, 4pm

insulating crawl space #green

We have a single level ranch style home with crawl space that connects with the basement living space. The crawl space is located at the end of the ranch home. This crawl space has a vapor barrier over the rocky dirt floor, originally installed as part of radon remediation. The concrete walls in the crawl space contribute to cold air and possibly some moisture. At this point, though, I think that it is safe to say that no water seeps through into the crawl space. Rodents have come through what was "sealed" 12"x6" vents within basement wells. The radon contractor...27 yrs later...is coming back to place a second plastic vapor seal over the floor and he will use plywood, instead of rigid foam (now there), to seal the vents. I can only hope that rodents were coming through a hole in the vent and not tunneling up through the dirt/rock filled crawl space. Despite this issue, I ...

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