Blown Attic Insulation Types

Spray foam offers the best attic insulation performance available.

Blown attic insulation types.

Batt and roll insulation and loose fill sometimes known as blown in insulation. Choose from two types. The third major type of insulation is spray foam. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. There are three types of blown in insulation. 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.

Blown in spray foam batts and blankets. 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. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.

There are two main types of insulation. Spray foam attic insulation. See install batt and roll insulation for details. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.