Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Best kind of insulation for attic.
Spray foam attic insulation.
Closed cell and open cell aka 2 pound and pound respectively.
Attic insulation that comes in rolls of fiberglass batts is the easiest for a do it yourself type person.
The most common insulation materials are fiberglass cellulose and foam.
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.
The third major type of insulation is spray foam.
Rolls and batts are produced of mineral wool and fiberglass.
Both can be added to uninsulated attics or layered over existing material.
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.
Modern technology of blanket insulation today is considered the best insulation for attic.
The type of insulation you need depends on which type is currently installed and the required r value.
But if the job is more complicated than an open attic it s best to hire a pro.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
Your home s r value score will guide you toward the type of insulation you need.
The blanket simply goes around the framing members.
Let s take a a closer look at each material to see which will be best for your attic s needs.
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.
This kind of insulation is done with aid of spray holders.
Choose from two types.
As you can see from the image above there are some differences in the benefits these materials have to offer.
Spray foam offers the best attic insulation performance available.
Loose fill insulation is available in either fiberglass or cellulose.
The most common types of attic insulation are cellulose fiberglass and spray foam.
In general an attic s r value should be between r 30 and r 49.
The best places to install this kind of installation are new wall spaces unfinished attics or existing walls.
Foam is sprayed from the containers in specific places of the house.
It s also a fairly good choice if you already have some insulation in the attic floor.