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We had our tri-level insulated with foam around 1980...have found it to have turned to powder...is there a way to remove and reinsulate with foam or another form of insulation without tearing the whole ourside off?

Re: Help

if all the old insulation turned to powder than in can be reinsulated with injection foam. do you rember the name of the old foam that was used???. if i were to bet it was a Urea – formaldehyde based foam. was/is there an oder?
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