Types Of Blown Insulation For Attics

Both can be added to uninsulated attics or layered over existing material.

Types of blown insulation for attics.

Insulation is rated by its r value. Fiberglass cellulose and rock wool. This type of insulation is great for wall cavities and attics. Choose from two types.

We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. For diy attic insulation you ve got two choices. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

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. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. 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. 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 or batt the common term for blanket insulation. When installed properly both types of insulation fill all of the nooks and crannies in a space and. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Spray foam offers the best attic insulation performance available.

Because it is a glass product fiberglass has a slight shine when. Closed cell and open cell aka 2 pound and pound respectively. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. If you have loose fill insulation that is white and fluffy and has a little shine it is probably fiberglass fill.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. R values vary based on the type thickness and density of the insulation material. R value measures how resistant types of insulation are to heat flow. There are three general types of blown insulation materials currently available.

Blown in insulation can be added to attics and walls without the hassle. Fiberglass loose fill insulation is made glass and sand that are spun or blown into fibers. It also comes in batt and blanket forms. The third major type of insulation is spray foam.

It can be effectively blown over existing insulation and.