Loose fill or batt the common term for blanket insulation.
Best kind of insulation for attic.
Let s take a a closer look at each material to see which will be best for your attic s needs.
The type of insulation you need depends on which type is currently installed and the required r value.
Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch.
Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.
As you can see from the image above there are some differences in the benefits these materials have to offer.
It s also a fairly good choice if you already have some insulation in the attic floor.
Spray foam attic insulation.
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.
For diy attic insulation you ve got two choices.
Attic insulation that comes in rolls of fiberglass batts is the easiest for a do it yourself type person.
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 there are two types of spray foam open cell and closed cell.
Choose from two types.
Closed cell and open cell aka 2 pound and pound respectively.
Types of attic insulation.
Your home s r value score will guide you toward the type of insulation you need.
Rolls and batts are produced of mineral wool and fiberglass.
This kind of insulation is done with aid of spray holders.
In particularly cold climates you might go up to r 60.
Loose fill insulation is available in either fiberglass or cellulose.
The best places to install this kind of installation are new wall spaces unfinished attics or existing walls.
In general an attic s r value should be between r 30 and r 49.
Foam is sprayed from the containers in specific places of the house.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
The third major type of insulation is spray foam.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Both can be added to uninsulated attics or layered over existing material.
Modern technology of blanket insulation today is considered the best insulation for attic.
But if the job is more complicated than an open attic it s best to hire a pro.