Blown Insulation Types Attic

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation that just needs to be topped off.

Blown insulation types attic.

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. More options exist but these four materials make up the vast majority of installations in minnesota attics where i operate. Each has its pros and cons as well as its own set of adherents who will tell you never to use the other type. Minimum suggested insulation values vary by geographic zones.

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 there are two types of spray foam open cell and closed cell. Understanding 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. 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.

The type of material you use is up to you. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. If you choose loose fill insulation you ll need to rent a machine to install it.