Best Insulation For Attic Ductwork

I got my attic insulation redone three years ago for my previous house.

Best insulation for attic ductwork.

Our heating and ac ducts are 100 within the thermal envelope in the floor trusses above our insulated basement. You can find formaldehyde free insulation that also has an acrylic coating. 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. Repeat to insulate the remaining ducts.

So logically the ducts deserve more not less insulation. Installs easily and wraps around irregular ductwork areas well. The insulation levels should meet or exceed the code required r value for attic insulation. But the air in the ducts is facing a delta t of maybe 100 f or 120 f a greater delta t.

Wrap the insulation around the duct and then pinch the seam closed. Secure the insulation with short strips of foil tape. 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.

Foil backed self adhesive foam duct insulation. Selecting the right r value will reduce your energy costs the most. In the southern california climate the recommended total attic insulation is a rating of up to r60. The fiberglass duct board is by far the most effective.

To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct. So it s time to pay close attention to what s happening up there. This coating will help to keep the glass fibers from your airstream and excess noise from your home. 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. 229 reviews of insulation labs welcome to yelp this company has been around for a while. Apply a long strip of foil tape along the seam in the insulation. Like any other insulation use additional layers to provide better insulation power.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. To fit your ducts simply cut the sleeve to length with a sharp pair of scissors. You will also be able to enjoy a higher air quality. When the attic is 20 f that insulation is addressing a delta t of 50 f.

After all most new homes have r 49 insulation on the attic floor holladay continues.