Cellulose And Spray Foam In Attic

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Cellulose and spray foam in attic.

Five years ago we noticed. Nothing unusual about that. It s blown into the attic and wall spaces under air pressure through hoses. Spray foam insulation effectively keeps heat in your house during the colder seasons and dissipates it outside during the hotter ones.

Like spray foam it s able to work its way into hard to reach areas. The cellulose is blown into the attic or walls through long. Spray foam offers the best attic insulation performance available. 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.

Studies have shown it offers better fire protection than fiberglass. Unlike other kinds of insulation like cellulose spray foam provides better insulation because its fluid nature allows for it to go through tiny crevices. A properly done spray foam job not only insulates but also greatly reduces the air leakage of a home. Earlier this year i got a question about a home that had spray foam insulation in the attic.

Closed cell and open cell aka 2 pound and pound respectively. 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. By martin holladay issue 270 oct nov 2017. Choose from two types.

Cellulose is a loose fill insulation made from chopped up discarded newsprint. Replace cellulose with spray foam address the air leaks and convert a vented unconditioned attic into an unvented conditioned attic. Cellulose is a loose fill product composed of small particles of pulverized paper and cloth treated with a fire retardant. It really should be called spray foam insulation and air barrier.

The benefits of cellulose include. Spray foam insulation is an incomplete name. 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.

Spray foam attic insulation. 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. Once installed in the attic cellulose loose fill insulation looks like mounds of freshly fallen snow covering the attic floor. Here the traditional favorite is blow in cellulose insulation although spray in foam is becoming steadily more common.