Attic Duct Insulation

The duct insulation should include a vapor barrier.

Attic duct insulation.

Reflectix r 21 100 sq ft unfaced reflective roll insulation 48 in w x 25 ft l item 13358. Duct insulation accessories. All the ducts are in the attic. Fibers from recycled post consumer paper that are treated for insect and fire resistance.

Snap a plastic cap onto the duct end then slip the preformed insulation over the duct. Insulate ducts located on roofs and on unconditioned spaces like the attic garage crawlspace or unfinished basement. Scope install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. Air sealing your attic and ducts installing blown cellulose insulation and insulating ductwork will eliminate these problems.

Mechanically fasten and mastic seal all duct connections. Commonly used and inexpensive but fibers can irritate lungs and skin though less so than in. Insufficient attic insulation poor air sealing and uninsulated ductwork are all common problems that will lead to uncomfortable rooms and make your home less efficient. Unitherm ceramic fiber insulation blanket roll 8 density 2300 f 0 5 in.

According to rightsuite the software we use the supply ducts have about 560 square feet of surface area and the return ducts 101 square feet. These ducts are usually made out of thin sheet of metal that easily conduct heat. Dia x 5 ft. Looking at the cooling side only the additional load would be.

To install preformed duct insulation start by disconnecting an elbow to expose the end of the duct. Free delivery with 45 order. Make sure the foil surface of the insulation is free of dust before applying the tape. Insulating hvac ductwork when insulating hvac ductwork use a foil faced fiberglass insulation with an r 6 or higher r value.

Master flow 12 in. Use metal flex or fiber board ducts that are insulated to code. For pricing and availability. Use the type of metallic foil duct tape recommended by the insulation manufacturer to seal and hold the insulation in place.

R 8 duct insulation 5 227 btu hour. Length ductwork insulation sleeve r 8 model f8ds12 23 07 23 07. X 50 ft r 5 model cf8 5 24x50.