Best Attic Spray Insulation

Spray foam attic insulation spray foam offers the best attic insulation performance available.

Best attic spray insulation.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Diyers can use this foam for small jobs such as insulating door frames. Loose fill or batt the common term for blanket insulation.

This type of insulation can be purchased online or at home depot. Rolls and batts are produced of mineral wool and fiberglass. 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. I d blow insulation on the attic floor after air sealing of course.

Both can be added to uninsulated attics or layered over existing material. Cellulose doesn t use any greenhouse gases as propellants. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Choose from two types.

Blanket insulation modern technology of blanket insulation today is considered the best insulation for attic. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. The big disadvantage with spray foam is cost. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.

Without question batt insulation is the most popular option for people who are looking to control sound and temperature. Closed cell and open cell aka 2 pound and pound respectively. Open cell polyurethane and closed cell polyurethane. 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.

Cellulose has more recycled material than any other commercially available 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. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Cellulose is very inexpensive when it comes to attic projects in comparison to other materials.

There are two types of spray foam. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. For diy attic insulation you ve got two choices.