Best Attic Spray Insulation

Choose from two types.

Best attic spray insulation.

Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc. Open cell spray foam insulation is roughly 1 to 1 25 per square foot and closed. Closed cell and open cell aka 2 pound and pound respectively. 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 offers the best attic insulation performance available. I d blow insulation on the attic floor after air sealing of course. Spray foam insulation spf. Is the best insulation for home energy performance can solve serious condensation problems.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. 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. Cellulose blown in ceiling insulation is a good choice for diyers. Loose fill or batt the common term for blanket insulation.

Is applied on the underside of the roof deck. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Non vented attic method in this case the attic is sealed preventing exterior air and humidity infiltration into the attic space this method is used for spray foam insulation. Both can be added to uninsulated attics or layered over existing material.

There are definitely some people who believe that foam spray insulation is the future. Rolls and batts are produced of mineral wool and fiberglass. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Modern technology of blanket insulation today is considered the best insulation for attic.

Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The big disadvantage with spray foam is cost. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

It is not going to provide the same type of help for standard setups. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Since the attic usually does not have any wall on the other side this insulation makes some sense in that regard. For diy attic insulation you ve got two choices.