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?
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?