Types Of Blown Insulation For Attics

There are three general types of blown insulation materials currently available.

Types of blown insulation for attics.

It can be effectively blown over existing insulation and. Spray foam offers the best attic insulation performance available. What s more this type of insulation can also seal small gaps and spaces as it settles filling these sneaky spots where. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Blown in insulation can be added to attics and walls without the hassle. Both can be added to uninsulated attics or layered over existing material. This type of insulation is great for wall cavities and attics. It also comes in batt and blanket forms.

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. R values vary based on the type thickness and density of the insulation material. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

R value measures how resistant types of insulation are to heat flow. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. When installed properly both types of insulation fill all of the nooks and crannies in a space and.

Closed cell and open cell aka 2 pound and pound respectively. Blown in spray foam batts and blankets. For diy attic insulation you ve got two choices. If you have loose fill insulation that is white and fluffy and has a little shine it is probably fiberglass fill.

The third major type of insulation is spray foam. Because it is a glass product fiberglass has a slight shine when. Insulation is rated by its r value. Fiberglass cellulose and rock wool.

Choose from two types. 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. Fiberglass loose fill insulation is made glass and sand that are spun or blown into fibers. Loose fill or batt the common term for blanket insulation.

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.