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How do you replace air conditioning ducts?

It was prev. Remove ductwork. Attach the second air duct to the first. The ductwork needs to be removed. Where needed, remove existing ductwork. ... Put a new vent in place. Put the wooden frame in place. A wooden frame can be created. ... The vent is sealed with mastic cement. The insulated duct board can be used to fill in gaps. There are gaps and seals.

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