Blown Attic Insulation Types

Both can be added to uninsulated attics or layered over existing material.

Blown attic insulation types.

Blowing the insulation should take less than 1 5. See install batt and roll insulation for details. There are two main types 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.

In general an attic s r value should be between r 30 and r 49. Batt and roll insulation and loose fill sometimes known as blown in insulation. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.

Blown in spray foam batts and blankets. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. 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. 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.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. Your home s r value score will guide you toward the type of insulation you need. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

The third major type of insulation is spray foam. 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. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Closed cell and open cell aka 2 pound and pound respectively.

For diy attic insulation you ve got two choices. 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. Spray foam offers the best attic insulation performance available. Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes.

Loose fill or batt the common term for blanket insulation. Insulation is rated by its r value. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. R value measures how resistant types of insulation are to heat flow.

R values vary based on the type thickness and density of the insulation material. Choose from two types.