Insulating Ac Ducts In Attic Foam

When we seal the attic with spray foam it s as tight as a butter tub.

Insulating ac ducts in attic foam.

Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch. 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. In a vented attic all of that expensive airflow is lost to the environment. If using this technique in a humid or marine climate the ducts must be encapsulated with spray foam before installing the blown insulation.

The foam provides a vapor barrier so the ductwork won t sweat. Many homeowners love spray foam insulation and it s easy to understand why. Choose foam it green spray foam insulation kits and don t settle for less than you deserve. Install loose fill insulation to cover the ducts and the attic floor to meet or exceed the code required r value for attic insulation.

Purchase duct wrap insulation that complies with the 2009 international energy conservation code iecc standards that specify an r value of 8 for attic ducts and 6 for ducts located anywhere else. If you want to cover metal ductwork with blown in insulation t hese steps must be followed in this order. Cover the spray foam with fire retardant spray. 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.

Cover the metal ductwork with closed cell spray foam. One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic. Spray foam spreads fire very fast creates massive amounts of toxic smoke.