Supper Attic Vs Spray Foam

Well positive pressure could force attic air into your home.

Supper attic vs spray foam.

The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof. I d blow insulation on the attic floor after air sealing of course. You also get savings by using spray foam insulation because the liquid really seals the attic much more tightly than batt insulation. Medium density foam offers specific benefits depending on the climate and the type of building in which it is used.

And as we all know attic air isn t exactly um super clean. Like low density foam medium density spf is often used for continuous insulation interior wall cavity fill and unvented attic applications. Spray foam insulation does provide greater r value per inch as well as a way to seal your home. To be sure a spray foamed attic is typically less dusty an attic with blown in fiberglass or cellulose.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The superattic system from dr. Broad run va superattic tuesday september 6th 2016 by justin dobson 4 silverglo eps foam boards and one part foam spray are used to encapsulate the attic. In a vented attic all of that expensive airflow is lost to the environment.

Attic insulation case studies. The big disadvantage with spray foam is cost. Open cell foam insulation in attics. As long as they re properly installed both closed cell and open cell foam insulation act as an effective air barrier in your attic.

When we seal the attic with spray foam it s as tight as a butter tub. In small homes where space is at a premium or in areas that are difficult to insulate spray foam may be a good option. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. However positive pressure can force dusty smelly attic air into your living space through unsealed air gaps.

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. 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.