I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes.
Best foam insulation for attic.
Homes insulated with it can be some of the most efficient and comfortable homes built.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Open cell spray foam insulation is roughly 1 to 1 25 per square foot and closed.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.
Both can be added to uninsulated attics or layered over existing material.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.
Choose from two types.
Spray foam offers the best attic insulation performance available.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.
Some types of thicker foam board insulation are available but they may need to be special ordered.
Foam board insulation is easy to use and is a great diy way to add some insulation.
Loose fill or batt the common term for blanket insulation.
Blown in or loose fill insulation insulation blankets batts and rolls spray foam insulation and foam board insulation.
I d blow insulation on the attic floor after air sealing of course.
Closed cell and open cell aka 2 pound and pound respectively.
For diy attic insulation you ve got two choices.
In a new home spraying foam in the roofline can bring the ducts inside the envelope without having to redesign the system and house.
In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation.
Spray foam attic insulation.
Now that you have reviewed the pros and cons of spray foam fiberglass and cellulose insulation you may have come to a conclusion on the best type of insulation for your attic.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
If you are considering spray foam attic insulation and live in michigan s lower peninsula or the toledo oh area give us a call at 866 900 3626 for a free estimate.
Here are the installation methods from lowest to highest average r value per inch.
This additional r.
Rigid foam insulation offers as much as double the r value of traditional fiberglass batts according to the united states department of energy.