Blown Attic Insulation Types

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Blown attic insulation types.

Batt and roll insulation and loose fill sometimes known as blown in insulation. Choose from two types. There are two main types of insulation. Spray foam offers the best attic insulation performance available.

Spray foam attic insulation. Closed cell and open cell aka 2 pound and pound respectively. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. 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.

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. There are three types of blown in insulation. Blown in spray foam batts and blankets. 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.

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. The third major type of insulation is spray foam. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.