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Relatively new addition to a house built in 2001. The floor above the crawl space had R-19 FG batts shoved in between the joists. Some critters had nested in sections of the batt insulation. I removed the batts, sprayed an inch of closed-cell foam to the underside of the floor, replaced the batts (after cutting them to fit snugly between the joists), and finished things off by installing Tyvek h…
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© 2013 Created by Lawrence Berkeley National Laboratory.
