Attic Foil Vs Spray Foam

Lo mit is a water based low voc paint product.

Attic foil vs spray foam.

What is foam insulation. Nothing unusual about that. Applicators have to wear especially protective equipment during application process. Hire a contractor to install or lo mit can be easily applied by the homeowner with standard airless paint spray equipment.

If you re looking for insulation for a metal building project then check out bluetex insulation for premium foil foam products that block heat and moisture in new and existing metal buildings. Cost of fiberglass vs. However in a traditionally insulated attic insulation on the ceiling the attic is vented. Foam insulation most commonly comes in two forms.

Finish out the space if this is an interior area or if it s an attic just leave it open. Spray foam can be significantly more expensive but can lead to bigger savings on heating and cooling costs. 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. If the spray foam is having trouble sticking to the foil layer use a medial layer of foam board.

As long as they re properly installed both closed cell and open cell foam insulation act as an effective air barrier in your attic. Radiant barrier is your first line of defense and traditional attic insulation fiberglass or cellulose is the second line of defense against heat. Open cell foam insulation in attics. Foil radiant barrier method radiant foil installation can become damaged in the form of rips tears or de lamination.

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. Another alternative to radiant barrier foil are the various types of foam insulation. Spray foam may be highly flammable and can easily combust. 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. 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. 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. Earlier this year i got a question about a home that had spray foam insulation in the attic.

It is class a fire rated and is electrically non conductive. Installed cost tends to be far more expensive making for a more difficult sale.