When the humidity gets high in a crawlspace, the moisture soaks up into the fiberglass insulation. Its basically a big sponge. When the sections get too heavy, they fall down. How much insulation value are you getting out that piece now? None. DryZone came in and pulled all that nasty stuff out of there. Its an awful job, really dirty work. The old insulation also holds a huge amount of the smells that you might be familiar with.
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