Best Foam Insulation For Attic
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Best foam insulation for attic. Spray foam attic insulation. Spray foam offers the best attic insulation performance available. Closed cell and open cell aka 2 pound and pound respectively. Loose fill or batt the common term for blanket insulation.
The best insulating rigid foam. Here are the installation methods from lowest to highest average r value per inch. Both can be added to uninsulated attics or layered over existing material. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product. For diy attic insulation you ve got two choices. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Homes insulated with it can be some of the most efficient and comfortable homes built. Some types of thicker foam board insulation are available but they may need to be special ordered. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier.
I d blow insulation on the attic floor after air sealing of course. 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. Open cell spray foam insulation is roughly 1 to 1 25 per square foot and closed. In general how the insulation s method of installation can give you an idea of how it compares to other types of insulation.
I can also tell you that 73 of all statistics are made up on the spot so please don t ask for. 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. Spray foam insulation is a great product. In a new home spraying foam in the roofline can bring the ducts inside the envelope without having to redesign the system and house.
Blown in or loose fill insulation insulation blankets batts and rolls spray foam insulation and foam board insulation. 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. Choose from two types.