Blow In Attic Insulation Types

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

Blow in attic insulation types. R value measures how resistant types of insulation are to heat flow. There are three types of blown in insulation. I d blow insulation on the attic floor after air sealing of course. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

See install batt and roll insulation for details. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. If you choose to install the insulation yourself follow the manufacturer s instructions and safety precautions carefully and check local building and fire codes. R values vary based on the type thickness and density of the insulation material.

Blown in spray foam batts and blankets. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. 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. Batt and roll insulation and loose fill sometimes known as blown in insulation. Insulation is rated by its r value. To evaluate sprayed or blown in types of insulation measure the depth of the insulation and check for gaps in coverage.