Attic Foil Vs Spray Foam

On the whole spray foam insulation costs two to three times as much as fiberglass insulation.

Attic foil vs spray foam.

Finish out the space if this is an interior area or if it s an attic just leave it open. Foil radiant barrier method radiant foil installation can become damaged in the form of rips tears or de lamination. Spray foam may be highly flammable and can easily combust. Cost of fiberglass vs.

Open cell foam insulation in attics. Earlier this year i got a question about a home that had spray foam insulation in the attic. Radiant barrier is your first line of defense and traditional attic insulation fiberglass or cellulose is the second line of defense against heat. However in a traditionally insulated attic insulation on the ceiling the attic is vented.

One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic. It can be installed in 1 2 the time or less of foam or foil methods and at a fraction of the cost. Applicators have to wear especially protective equipment during application process. As long as they re properly installed both closed cell and open cell foam insulation act as an effective air barrier in your attic.

Foam insulation most commonly comes in two forms. Hire a contractor to install or lo mit can be easily applied by the homeowner with standard airless paint spray equipment. Spray foam is a great way to keep heat in your home in the winter and increased r values will also make your attic space cooler in the hotter months. What is foam insulation.

Nothing unusual about that. When we seal the attic with spray foam it s as tight as a butter tub. Wedge the board into the cavity right up against the foil and then spray the foam on to that. Fiberglass insulation costs around 0 40 per square foot.

It is installed with the foil facing the attic and must have air space minimum of in front of the foil to work and of course code required ventilation. If the spray foam is having trouble sticking to the foil layer use a medial layer of foam board. 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. Spray foam can be significantly more expensive but can lead to bigger savings on heating and cooling costs.

It is class a fire rated and is electrically non conductive. Another alternative to radiant barrier foil are the various types of foam insulation.