You also can find batts and rolls made from mineral rock and slag wool plastic fibers and natural fibers such as cotton and sheep s wool.
Attic insulatiopn types.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
Spray foam offers the best attic insulation performance available.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
The type of insulation you need depends on which type is currently installed and the required r value.
Choose from two types.
Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists.
It consists of flexible fibers most commonly fiberglass.
Blowing insulation into an attic the most popular project for using blown in insulation is adding insulation to attics.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Closed cell and open cell aka 2 pound and pound respectively.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
For diy attic insulation you ve got two choices.
I d blow insulation on the attic floor after air sealing of course.
The big disadvantage with spray foam is cost.
Both can be added to uninsulated attics or layered over existing material.
Loose fill or batt the common term for blanket insulation.
In particularly cold climates you might go up to r 60.
In general an attic s r value should be between r 30 and r 49.
Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.
Your home s r value score will guide you toward the type of insulation you need.
The most common insulation materials are fiberglass cellulose and foam.
It s a fast and easy diy project that two people can do in an afternoon.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.
Spray foam attic insulation.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
There are three types of blown in insulation.