New insulation can be installed on top of old insulation in some cases, but there are times when insulation should be removed completely before replacement. An insulation professional will be able to assess your insulation and determine whether or not it needs to be removed. But in general, you’ll need insulation removal services when your insulation is:

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• Infested by rodents

• Damp or wet

• Moldy

• Damaged by fire or anything else