Wrapping Attic Ducts

Duct insulation accessories.

Wrapping attic ducts.

Foam not cheap bubble 24inch x 25ft reflective foam core insulation garage pipe air duct faucet attic roof basement sauna weatherization wrap kit 1 4 thick r8. No air should be able to penetrate the ductwork and the joints are a natural weak point. 4 5 out of 5 stars 110. Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal.

Reflectix r 21 100 sq ft unfaced reflective roll insulation 48 in w x 25 ft l item 13358. If you need help deciding which type of insulation you need set up an energy consultation. Wrap the insulation around the duct and then pinch the seam closed. Ted also has inherited a powered attic ventilator.

Or applying spray foam insulation to the outside of the duct. Don t use standard cloth duct tape on hvac ductwork since the adhesive won t hold up to extreme temperatures. Cover any air leaks with metallic foil tape made for sealing ductwork. 4 5 out of.

The two most common ways to insulate ductwork are wrapping the duct in a foil faced blanket. 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. For an added layer of protection you can apply duct mastic to the tape and duct. For pricing and availability.

Frost king cf55 foil backed no itch natural cotton duct wrap 12 inch x 1 inch x 15 feet. It s like wrapping a leaky pipe with a rag even if it slows down the flow it still will not completely stop a water leak. The duct collar should be sealed with duct mastic to prevent air leakage and make an air tight seal. For pricing and availability.

Additionally wrapping a duct with insulation does virtually nothing to reduce duct leakage. Also make sure to use hvac tape and seal all of the joints between duct segments. Secure the insulation with short strips of foil tape. The insulation you use to wrap your ducts should leave no gaps and be at least two inches thick to work effectively at reducing or eliminating condensation on ductwork.