Spray Foam Insulation For Hvac Ductwork
I skipped the ductwork when insulating with closed cell spray foam.
Spray foam insulation for hvac ductwork. Activate can by pulling the trigger. Cover the metal ductwork with closed cell spray foam. If not mist with water. Wipe away imperfections with a cloth soaked in great stuff foam cleaner.
Foam should be tack free in 10 to 15 minutes. Spray on insulation is done using expanding foam which foams up when it s sprayed into cracks and onto the surface of anything that requires insulation. I am interested how much added efficiency i would gain by changing to spray on closed cell foam on my ducts. Is it safe for spray foam to touch the hot air running through hvac ducts.
I wanted to apply the thermal insulation closed cell spray foam directly on the duct to seal any leaks and temperature loss but all spray foam are flammable and produce a thick black smoke see 2. Once cured cut excess foam with a serrated knife as desired. Choose foam it green spray foam insulation kits and don t settle for less than you deserve. Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch.
Many homeowners love spray foam insulation and it s easy to understand why. The foam provides a vapor barrier so the ductwork won t sweat. Consider adding more insulation as ductwork is farther from the furnace. Compared to traditional insulation whether fiberglass or cellulose spray foam has the potential to provide better performance via its air sealing properties high r values per inch of thickness and in the case of closed cell spray foam ability to repel moisture.
If you d like to start saving money and time today buy foam it green spray foam insulation now or call us at 800 516 0949. Instead i taped the conections and wrapped the ducts in fiberglass duct insulation. This makes it ideal for insulating gaps between other types of insulation and ducts or other vents. Store or dispose of product as per directed on label.
Cover the spray foam with fire retardant spray.