Types Of Blown In Attic Insulation

Simple insulation jobs may be diy friendly if you rent an insulation blower but consider calling.

Types of blown in attic insulation.

R value measures how resistant types of insulation are to heat flow. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Loose fill or batt the common term for blanket insulation. Blown in spray foam batts and blankets.

When installed properly both types of insulation fill all of the nooks and crannies in a space and. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. There are three types of blown in insulation.

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. Both can be added to uninsulated attics or layered over existing material. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace.

For diy attic insulation you ve got two choices. Insulation is rated by its r value. Batt and roll insulation and loose fill sometimes known as blown in insulation. Choose from two types.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. It can be effectively blown over existing insulation and. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. For blown in insulation r values range from r 2 2 for fiberglass up to r 3 8 for dense cellulose.

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. There are two main types of insulation. R values vary based on the type thickness and density of the insulation material. 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.

Spray foam offers the best attic insulation performance available. See install batt and roll insulation for details. 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.