Types Of Blown Insulation For Attics

We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Types of blown insulation for attics.

For diy attic insulation you ve got two choices. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Insulation is rated by its r value. The third major type of insulation is spray foam.

Fiberglass cellulose and rock wool. Loose fill or batt the common term for blanket insulation. Fiberglass loose fill insulation is made glass and sand that are spun or blown into fibers. There are three general types of blown insulation materials currently available.

R values vary based on the type thickness and density of the insulation material. What s more this type of insulation can also seal small gaps and spaces as it settles filling these sneaky spots where. It also comes in batt and blanket forms. 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.

Because it is a glass product fiberglass has a slight shine when. Blown in spray foam batts and blankets. Closed cell and open cell aka 2 pound and pound respectively. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams.

When installed properly both types of insulation fill all of the nooks and crannies in a space and. Both can be added to uninsulated attics or layered over existing material. If you have loose fill insulation that is white and fluffy and has a little shine it is probably fiberglass fill. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics.

Blown in insulation can be added to attics and walls without the hassle. Spray foam offers the best attic insulation performance available. It can be effectively blown over existing insulation and. 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.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Choose from two types. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

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.