Blown Attic Insulation Types

Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes.

Blown attic insulation types.

Just as there are two types of blown insulation fiberglass and cellulose and two types of people those who divide everything into two groups and those who don t. In general an attic s r value should be between r 30 and r 49. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.

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. Loose fill or batt the common term for blanket insulation. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Choose from two types. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Closed cell and open cell aka 2 pound and pound respectively. The third major type of insulation is spray foam. There are three types of blown in insulation. For diy attic insulation you ve got two choices.

When installed properly both types of insulation fill all of the nooks and crannies in a space and. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. Blown in spray foam batts and blankets. Your home s r value score will guide you toward the type of insulation you need.

Blowing the insulation should take less than 1 5. R values vary based on the type thickness and density of the insulation material. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. There are two main types of insulation.

Spray foam offers the best attic insulation performance available. The specially designed atticat machine conditions the insulation by adding millions of tiny air pockets that give the material its insulating power and energy saving r value over time. In particularly cold climates you might go up to r 60. See install batt and roll insulation for details.

Both can be added to uninsulated attics or layered over existing material. Insulation is rated by its r value.