Caulking Compounds: Though not particularly suitable for HVAC programs, specific caulking compounds can be utilized to seal little gaps and penetrations in ductwork. Picking out a compound with the mandatory flexibility and heat resistance is important for making sure efficient and durable seals. Standard cleaning and servicing of your ductwork https://elliotatkdt.wikibestproducts.com/1544066/polyurethane_ducting_things_to_know_before_you_buy