Best Attic Spray Insulation

Cellulose is the most effective material and has an r value of 2 2 to 3 8 per inch but if exposed to moisture it can get moldy.

Best attic spray insulation.

Without question batt insulation is the most popular option for people who are looking to control sound and temperature. 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. Cellulose is very inexpensive when it comes to attic projects in comparison to other materials. Diyers can use this foam for small jobs such as insulating door frames.

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. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Cellulose has more recycled material than any other commercially available insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Blanket insulation modern technology of blanket insulation today is considered the best insulation for attic. This insulation comes in rectangular panels most of the time and they can vary in thickness quite a bit. Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Open cell polyurethane and closed cell polyurethane. This type of insulation can be purchased online or at home depot. It can be a do it yourself attic insulation project.

Rolls and batts are produced of mineral wool and fiberglass. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. For diy attic insulation you ve got two choices. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

The open cell polyurethane foam has an r value of 3 5 to 3 6 per inch with a price tag of 1 1 20 square foot. I d blow insulation on the attic floor after air sealing of course. There are two types of spray foam. Choose from two types.

The big disadvantage with spray foam is cost. Cellulose blown in ceiling insulation is a good choice for diyers. Cellulose doesn t use any greenhouse gases as propellants. Closed cell and open cell aka 2 pound and pound respectively.