Types Of Blown Insulation For Attics

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

Types of blown insulation for attics.

This type of insulation is great for wall cavities and attics. Fiberglass cellulose and rock wool. The third major type of insulation is spray foam. 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. If you have loose fill insulation that is white and fluffy and has a little shine it is probably fiberglass fill. 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.

Blown in insulation can be added to attics and walls without the hassle. Blown in spray foam batts and blankets. What s more this type of insulation can also seal small gaps and spaces as it settles filling these sneaky spots where. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. Loose fill or batt the common term for blanket insulation.

R value measures how resistant types of insulation are to heat flow. For diy attic insulation you ve got two choices. 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. 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.

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

Both can be added to uninsulated attics or layered over existing material. Spray foam offers the best attic insulation performance available. R values vary based on the type thickness and density of the insulation material. Because it is a glass product fiberglass has a slight shine when.

It also comes in batt and blanket forms.