They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Best kind of insulation for attic.
The most common insulation materials are fiberglass cellulose and foam.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
The most common types of attic insulation are cellulose fiberglass and spray foam.
But if the job is more complicated than an open attic it s best to hire a pro.
For diy attic insulation you ve got two choices.
In particularly cold climates you might go up to r 60.
Rolls and batts are produced of mineral wool and fiberglass.
Loose fill or batt the common term for blanket insulation.
The third major type of insulation is spray foam.
The type of insulation you need depends on which type is currently installed and the required r value.
Types of attic insulation.
Choose from two types.
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.
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.
Closed cell and open cell aka 2 pound and pound respectively.
Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch.
It s also a fairly good choice if you already have some insulation in the attic floor.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
The blanket simply goes around the framing members.
Spray foam offers the best attic insulation performance available.
This kind of insulation is done with aid of spray holders.
In general an attic s r value should be between r 30 and r 49.
Spray foam attic insulation.
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.
Loose fill insulation is available in either fiberglass or cellulose.
Let s take a a closer look at each material to see which will be best for your attic s needs.
Attic insulation that comes in rolls of fiberglass batts is the easiest for a do it yourself type person.