The answer to 'types of air duct sealing' is that there are several effective methods for sealing air ducts to improve HVAC efficiency and indoor air quality. The most common techniques include mastic sealant, metallic tape, and aerosol duct sealants. Mastic sealant is a thick, paste-like substance that can be brushed or troweled onto duct joints and seams to create an airtight seal. Metallic tape, also known as foil tape, is a durable option that can be used to cover and seal duct connections. Aerosol duct sealants are spray-on products that can reach and seal hard-to-access areas within the ductwork.
Proper air duct sealing is an important step in maintaining a healthy, energy-efficient HVAC system. Sealing leaks can help improve airflow, reduce energy costs, and prevent the intrusion of dust, allergens, and other pollutants into your living spaces.