Spray Attic Insulation
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.
Spray attic insulation. Closed cell and open cell aka 2 pound and pound respectively. I d blow insulation on the attic floor after air sealing of course. Earlier this year i got a question about a home that had spray foam insulation in the attic. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
The attic is 1 of the easiest places the attic is 1 of the easiest places to add insulation to improve the comfort and energy efficiency of your home. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. 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. Both can be added to uninsulated attics or layered over existing material.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. 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. Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes.
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. For diy attic insulation you ve got two choices. Loose fill or batt the common term for blanket insulation. The unvented attic space is considered the most effective and up to date building practice particularly by the spray foam industry.
When installed properly both types of insulation fill all of the nooks and crannies in a space and. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Spray foam attic insulation pros and cons. Are there any special values on spray foam insulation.
Choose from two types. What is the best rated spray foam insulation product. Nothing unusual about that. There are over 3 special value prices on spray foam insulation.
The best rated spray foam insulation product is the tite foam gaps and. Unvented attics sometimes called sealed enclosed or encapsulated attics feature insulation on the underside of the roof decking rather than on the attic floor. The big disadvantage with spray foam is cost.