The answer to 'types of air duct sealing' is that there are several common methods used to seal air ducts in homes, each with its own benefits and drawbacks. The most effective approach is to use a professional HVAC contractor who can assess your ductwork and recommend the best sealing solution for your specific needs.
Some of the main types of air duct sealing include mastic sealant, foil-backed tape, and aerosol duct sealants. Mastic sealant is a thick paste-like material that is applied directly to the ductwork joints and seams to create an airtight seal. Foil-backed tape is a durable adhesive tape that can be used to cover and seal small gaps and cracks. Aerosol duct sealants are sprayed into the ductwork and expand to fill in any leaks or holes.