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