Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Types of blown insulation for attics.
Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage.
Loose fill or batt the common term for blanket insulation.
Choose from two types.
There are three general types of blown insulation materials currently available.
For diy attic insulation you ve got two choices.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
It can be effectively blown over existing insulation and.
Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics.
Fiberglass cellulose and rock wool.
R value measures how resistant types of insulation are to heat flow.
When installed properly both types of insulation fill all of the nooks and crannies in a space and.
The third major type of insulation is spray foam.
Blown in spray foam batts and blankets.
Both can be added to uninsulated attics or layered over existing material.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
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.
If you have loose fill insulation that is white and fluffy and has a little shine it is probably fiberglass fill.
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.
It also comes in batt and blanket forms.
This type of insulation is great for wall cavities and attics.
Fiberglass loose fill insulation is made glass and sand that are spun or blown into fibers.
Closed cell and open cell aka 2 pound and pound respectively.
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.
That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.
R values vary based on the type thickness and density of the insulation material.
Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams.
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.
Blown in insulation can be added to attics and walls without the hassle.