Insulated Attic Duct

The duct insulation should include a vapor barrier cover.

Insulated attic duct.

Use metal flex or fiber board ducts that are insulated to code. When these ducts are exposed to exterior air the plastic jacket never gets cold enough to permit condensation because the hot attic air keeps the plastic jacket warm. For pricing and availability. Attics that are poorly insulated will not efficiently recycle the air being blown by the ac heat which rises to the attic but with the right r value inches of insulation air will be properly reverted back into the house saving your ac heating unit from overworking and keeping your bills from skyrocketing.

Summer hasn t even arrived he notes in a post at gba s q a forum and when the temperature outside climbs to more than 95 f the temperature in the attic tops 120 f. Duct insulation accessories. When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. Acute temperatures in these areas contribute to thermal loss in metal ductwork.

Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. For pricing and availability. Reflectix r 21 100 sq ft unfaced reflective roll insulation 48 in w x 25 ft l item 13358.