need expert advice on insulating old work

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mayhem69

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Jul 24, 2008
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cellulose or blown in fiberglass? I have about 320 sq. ft. i need blown in between studs. 1 guy uses certainteed SP for $580? Or cellulose for $800? I heard cellulose will mold??? Fiberglass is a proven insulation, need an expert opinion. What kind of fiberglass is the best to use?
 
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