Attic Insulation Cellulose Vs Spray Foam

Foam does not provide for complete insulation needs and does not address heat loss gain via convention through framing members.

Attic insulation cellulose vs spray foam.

On the other hand cellulose insulation is more reasonably priced but then it might not last longer than the former. It has a smaller more compact cell structure. You ll spend less than you would with spray foam insulation. Dense packed cellulose will not settle.

That s why whenever cellulose is blown into a sealed framing bay stud rafter joist etc it should be dense packed. It is a very good air barrier as well as a water vapor barrier. Spray foam insulation and cellulose insulation. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

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. The big disadvantage with spray foam is cost. Keep in mind that cellulose has a lower r value than spray foam though it is still a highly effective method of insulating your home.

Best way to insulate an attic. Properly mixing and applying spray foam insulation requires substantial expertise and can only be done by trained professionals. Cellulose attic insulation pros and cons. Spray foam insulation definitely takes the pie but its cost can be a deterring factor.

Spray foam insulation drawbacks. Although they both have their advantages you have to be wise to choose the one that fits your house s needs. Cellulose vs fiberglass vs spray foam. Spray foam insulation spray foam insulation like icynene is also sprayed in but because the material is different from cellulose insulation the result is also different.

I d blow insulation on the attic floor after air sealing of course. As part of our ongoing mission to educate our customers we are here to discuss the best insulation for attics and the pros and cons that go along with each insulation type. Cellulose for attic insulation if the hvac equipment and air ducts are in your attic it is better to install spray foam insulation specifically with open cell spray foam to protect the equipment and ducts. Earlier this year i got a question about a home that had spray foam insulation in the attic.

When icynene spray foam is applied it begins as a liquid but quickly expands into a foam which adheres to the surface which it is applied. When it comes to insulating your home there are two options. The boric acid in the insulation can provide a form of pest control. Closed cell polyurethane spray foam insulation is a much more dense type of foam than open cell.

However if your attic doesn t have any hvac equipment or air ducts you should install cellulose installation. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.