Attic Insulation Foam Vs Blown

After all both involve spraying or blowing a product into an enclosed area of the building envelope in.

Attic insulation foam vs blown.

Before choosing blown vs. Blown in insulation vs spray foam there are various methods of insulating your house among which blown in and spray foam techniques are more common and known to be effective. Blown in insulation requires a professional. Blown in insulation refers to blowing or spraying insulation product into wall cavities attics and floors.

It costs 1 25 to 3 50 per square foot to install spray foam insulation into your walls ceiling and attic. Blown in spray foam batts and blankets. The attic roofline is typically insulated with 5 nominal fill foam resulting in an r value close to 20. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.

For the average 2 400 square foot home it will cost 3 000 to 8 400 to do the entire home. But when you consider a possible reduction in heating and cooling equipment costs the difference. Many homeowners make the mistake of trying to compare spray foam insulation to blown in insulation like fiberglass or cellulose but the truth is there really is no comparison. Spray foam insulation is the new thing in insulation and is going to be the future of insulating homes.

In a new home spraying foam in the roofline can bring the ducts inside the envelope without having to redesign the system and house. Sprayed foam insulation c12 getty images this type of insulation is expensive and not a do it yourself project but it has one of the highest r values at 3 5 per inch for open cell and 6 5 for. Of course it costs more. I d blow insulation on the attic floor after air sealing of course.

So the following is a list of their various key features along with strengths and drawbacks to help you better understand which method will benefit you. It is a. Spray foam insulation vs fiberglass r value is about equal for open cell insulation and about double for closed cell insulation per one inch layer. The words may have a similar connotation to those who are less well informed about the topic.

Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Batt insulation is available at home centers and lumberyards. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.

In general spray foam insulation will cost more than blown in blanket wall insulation with loose fill attic insulation r 40 as a standard.