Foam Insulate Attic Ductwork

While fairly thin it works well to dampen sound and can be combined with other forms to increase the insulation rating.

Foam insulate attic ductwork.

Check the speed of the blower motor on the furnace. We are neither pro spray foam nor anti spray foam. Installs easily and wraps around irregular ductwork areas well. You increase the amount of usable space inside your home.

Earlier this year i got a question about a home that had spray foam insulation in the attic. A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. The foam provides a vapor barrier so the ductwork won t sweat. Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal.

As for whether you should use spray foam we are a neutral party. At pv we recognize that spray foam is an insulation choice that some people make for their homes. Cover the spray foam with fire retardant spray. Foil backed self adhesive foam duct insulation.

Oh and when you put it in your attic spray foam insulates the attic itself. Most brands come in rolls a foot in width and several feet long. If you want to cover metal ductwork with blown in insulation t hese steps must be followed in this order. Nothing unusual about that.

The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago. Ted also has inherited a powered attic ventilator. Cover the metal ductwork with closed cell spray foam. Many homeowners love spray foam for the reasons stated.