Blown Attic Insulation Types

Blown in spray foam batts and blankets.

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. Spray foam offers the best attic insulation performance available. R value measures how resistant types of insulation are to heat flow. Insulation is rated by its r value.

Both can be added to uninsulated attics or layered over existing material. In general an attic s r value should be between r 30 and r 49. 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. Loose fill or batt the common term for blanket insulation.

Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes. Your home s r value score will guide you toward the type of insulation you need. Batt and roll insulation and loose fill sometimes known as blown in insulation. Closed cell and open cell aka 2 pound and pound respectively.

Blowing the insulation should take less than 1 5. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. R values vary based on the type thickness and density of the insulation material. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.

We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. Choose from two types. For diy attic insulation you ve got two choices.

Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. 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. When installed properly both types of insulation fill all of the nooks and crannies in a space and. In particularly cold climates you might go up to r 60.

There are three types of blown in insulation. 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. Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. See install batt and roll insulation for details.

The third major type of insulation is spray foam. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.