Spray Attic Insulation

Earlier this year i got a question about a home that had spray foam insulation in the attic.

Spray attic insulation.

For diy attic insulation you ve got two choices. Loose fill or batt the common term for blanket insulation. Unvented attics sometimes called sealed enclosed or encapsulated attics feature insulation on the underside of the roof decking rather than on the attic floor. Spray foam offers the best attic insulation performance available.

Spray foam insulation is an air barrier material that creates a seal against air movement. 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. One of the high tech insulation products being utilized these days is a foam spray product called icynene which is a foam that starts as two liquid components a and b if you will that are heated up and sent through two hoses and meet at a tip of a gun where the magic begins. The unvented attic space is considered the most effective and up to date building practice particularly by the spray foam industry.

Closed cell and open cell aka 2 pound and pound respectively. Both can be added to uninsulated attics or layered over existing material. The best rated spray foam insulation product is the tite foam gaps and. What is the best rated spray foam insulation product.

The rapid growth of sprayed foam insulation in building construction thanks in part to its immediate and long term. Spray foam attic insulation pros and cons. Although spray foam insulation has been in use since the 1940s primarily for aircraft for the past 30 years continual product innovation has seen the increased adoption of spray foam insulation in residential and commercial construction. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Are there any special values on spray foam insulation. I d blow insulation on the attic floor after air sealing of course. Open cell spray foam insulation can expand up to 100 times its original size to fill every nook and cranny in the cavity where it is applied. There are over 3 special value prices on spray foam insulation.

The big disadvantage with spray foam is cost. Some spray foam insulation can be shipped to you at home while others can be picked up in store. Nothing unusual about that. Choose from two types.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes. When installed properly both types of insulation fill all of the nooks and crannies in a space and.