Blown Attic Insulation Types

Spray foam offers the best attic insulation performance available.

Blown attic insulation types.

Both can be added to uninsulated attics or layered over existing material. See install batt and roll insulation for details. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. For diy attic insulation you ve got two choices.

We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Insulation is rated by its r value. Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation.

R values vary based on the type thickness and density of the insulation material. In particularly cold climates you might go up to r 60. 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. The third major type of insulation is spray foam.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. R value measures how resistant types of insulation are to heat flow. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. 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.

There are two main types of insulation. Blown in spray foam batts and blankets. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Choose from two types.

In general an attic s r value should be between r 30 and r 49. 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. There are three types of blown in insulation. When installed properly both types of insulation fill all of the nooks and crannies in a space and.

Blowing the insulation should take less than 1 5. Atticat expanding blown in insulation is designed for your attic insulation project in new or existing homes. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. Batt and roll insulation and loose fill sometimes known as blown in insulation.

Your home s r value score will guide you toward the type of insulation you need. Loose fill or batt the common term for blanket insulation.