Cellulose And Spray Foam In Attic

It really should be called spray foam insulation and air barrier.

Cellulose and spray foam in attic.

Closed cell and open cell aka 2 pound and pound respectively. The benefits of cellulose include. Cellulose is a loose fill product composed of small particles of pulverized paper and cloth treated with a fire retardant. 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.

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. Nothing unusual about that. Spray foam insulation is an incomplete name. It s blown into the attic and wall spaces under air pressure through hoses.

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. With open walls you can install fiberglass roll insulation although spray applied foam insulation is also possible. Spray foam insulation effectively keeps heat in your house during the colder seasons and dissipates it outside during the hotter ones. We are the number 1 rated insulation contractor in northeast and we promise to work hard for you.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. A properly done spray foam job not only insulates but also greatly reduces the air leakage of a home. But that only works if the installer can get it into the places where most of the air leakage happens. Here the traditional favorite is blow in cellulose insulation although spray in foam is becoming steadily more common.

The cellulose is blown into the attic or walls through long. Cellulose is a loose fill insulation made from chopped up discarded newsprint. Studies have shown it offers better fire protection than fiberglass. Replace cellulose with spray foam address the air leaks and convert a vented unconditioned attic into an unvented conditioned attic.

Choose from two types. Spray foam offers the best attic insulation performance available. By martin holladay issue 270 oct nov 2017. Spray foam attic insulation.

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. Earlier this year i got a question about a home that had spray foam insulation in the attic. Once installed in the attic cellulose loose fill insulation looks like mounds of freshly fallen snow covering the attic floor. Like spray foam it s able to work its way into hard to reach areas.