Best Insulation For Attic Ductwork

So it s time to pay close attention to what s happening up there.

Best insulation for attic ductwork.

After all most new homes have r 49 insulation on the attic floor holladay continues. To fit your ducts simply cut the sleeve to length with a sharp pair of scissors. Apply a long strip of foil tape along the seam in the insulation. 229 reviews of insulation labs welcome to yelp this company has been around for a while.

To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct. Repeat to insulate the remaining ducts. I got my attic insulation redone three years ago for my previous house. When the attic is 20 f that insulation is addressing a delta t of 50 f.

For homes with an existing 3 4 inches of insulation that means adding about 12 15 inches of insulation r30 r38. Prodex total duct insulation insulation radiant barrier vapor barrier all in one product. The insulation levels should meet or exceed the code required r value for attic insulation. This coating will help to keep the glass fibers from your airstream and excess noise from your home.

Selecting the right r value will reduce your energy costs the most. Wrap the insulation around the duct and then pinch the seam closed. Insulation on ducts must protect from condensation radiant heat and cold. Insulation labs has updated their hours and services.

Once these preparations are made the ducts can be buried in loose fill insulation typically blown fiberglass or cellulose at the same time that the attic floor is being insulated. In the southern california climate the recommended total attic insulation is a rating of up to r60. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Our heating and ac ducts are 100 within the thermal envelope in the floor trusses above our insulated basement.

But now after purchasing a fixer upper we needed attic cleaning again and things didn t change. But our erv ducts stand alone system not tied in w heat pump and 2 jumper ducts for pressure balancing from bedrooms are suspended above the insulation in our vented attic. The fiberglass duct board is by far the most effective. Installs easily and wraps around irregular ductwork areas well.

But the air in the ducts is facing a delta t of maybe 100 f or 120 f a greater delta t. So logically the ducts deserve more not less insulation. You can find formaldehyde free insulation that also has an acrylic coating. You will also be able to enjoy a higher air quality.

Secure the insulation with short strips of foil tape.