Best Attic Spray Insulation

Loose fill or batt the common term for blanket insulation.
Best attic spray insulation. There are two types of spray foam. Diyers can use this foam for small jobs such as insulating door frames. Closed cell and open cell aka 2 pound and pound respectively. Cellulose has more recycled material than any other commercially available insulation.
Spray foam attic insulation spray foam offers the best attic insulation performance available. Blanket insulation modern technology of blanket insulation today is considered the best insulation for attic. 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. Cellulose doesn t use any greenhouse gases as propellants.
Cellulose blown in ceiling insulation is a good choice for diyers. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. I d blow insulation on the attic floor after air sealing of course. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
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. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. This type of insulation can be purchased online or at home depot. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
This insulation comes in rectangular panels most of the time and they can vary in thickness quite a bit. Choose from two types. Rolls and batts are produced of mineral wool and fiberglass. Open cell polyurethane and closed cell polyurethane.
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. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. 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 can be a do it yourself attic insulation project. For diy attic insulation you ve got two choices. The big disadvantage with spray foam is cost. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.