Cellulose And Spray Foam In Attic

Studies have shown it offers better fire protection than fiberglass.

Cellulose and spray foam in attic.

It s blown into the attic and wall spaces under air pressure through hoses. Five years ago we noticed. 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. Closed cell and open cell aka 2 pound and pound respectively.

Spray foam offers the best attic insulation performance available. We are the number 1 rated insulation contractor in northeast and we promise to work hard for you. Spray foam attic insulation. Earlier this year i got a question about a home that had spray foam insulation in the attic.

Nothing unusual about that. We have about r 45 worth of blown cellulose on the attic floor of our 100 year old chicago home and a furnace and ductwork in the attic. Like spray foam it s able to work its way into hard to reach areas. If i had a choice between fiberglass foam and cellulose i would go with cellulose a wet spray cellulose install can provide an r value of around 3 4 per inch.

The benefits of cellulose include. Applegates cellulose insulation wet spray insulation spray foam insulation and injection foam insulation are but a feew of the many insulation technologies that we provide to our northeast florida clients. Here the traditional favorite is blow in cellulose insulation although spray in foam is becoming steadily more common. Cellulose is a loose fill product composed of small particles of pulverized paper and cloth treated with a fire retardant.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Once installed in the attic cellulose loose fill insulation looks like mounds of freshly fallen snow covering the attic floor. Spray foam insulation effectively keeps heat in your house during the colder seasons and dissipates it outside during the hotter ones. It really should be called spray foam insulation and air barrier.

Unlike other kinds of insulation like cellulose spray foam provides better insulation because its fluid nature allows for it to go through tiny crevices. The cellulose is blown into the attic or walls through long. By martin holladay issue 270 oct nov 2017. Spray foam insulation is an incomplete name.

But that only works if the installer can get it into the places where most of the air leakage happens. A properly done spray foam job not only insulates but also greatly reduces the air leakage of a home. Pro better insulation. Cellulose is a loose fill insulation made from chopped up discarded newsprint.