Blown Insulation Types Attic

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.

Blown insulation types attic.

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. First let s discuss the most common types of insulation available for attics. 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.

More options exist but these four materials make up the vast majority of installations in minnesota attics where i operate. Blown in spray foam batts and blankets. If you choose loose fill insulation you ll need to rent a machine to install it. 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.

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. Fiberglass batts cellulose loose fill fiberglass and spray foam. Each has its pros and cons as well as its own set of adherents who will tell you never to use the other type.