Types Of Blown Insulation For Attics

R values vary based on the type thickness and density of the insulation material.

Types of blown insulation for attics.

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. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Fiberglass cellulose and rock wool.

Both can be added to uninsulated attics or layered over existing material. Closed cell and open cell aka 2 pound and pound respectively. Fiberglass loose fill insulation is made glass and sand that are spun or blown into fibers. When installed properly both types of insulation fill all of the nooks and crannies in a space and.

Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Blown in insulation can be added to attics and walls without the hassle. 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. 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. Spray foam offers the best attic insulation performance available. This type of insulation is great for wall cavities and attics. What s more this type of insulation can also seal small gaps and spaces as it settles filling these sneaky spots where.

Loose fill or batt the common term for blanket insulation. It also comes in batt and blanket forms. Blown in spray foam batts and blankets. 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.

If you have loose fill insulation that is white and fluffy and has a little shine it is probably fiberglass fill. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. For diy attic insulation you ve got two choices. It can be effectively blown over existing insulation and.

There are three general types of blown insulation materials currently available. The third major type of insulation is spray foam. Because it is a glass product fiberglass has a slight shine when. 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.

That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.