When installed properly both types of insulation fill all of the nooks and crannies in a space and make for a perfect air barrier.
Blown attic insulation types.
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There are three general types of blown insulation materials currently available.
Closed cell and open cell aka 2 pound and pound respectively.
When air can t move through it you have zero heat transfer through convection.
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Cellulose is primarily made from recycled newsprint.
Choose from two types.
Each has its pros and cons as well as its own set of adherents who will tell you never to use the other type.
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All of these materials are produced using recycled waste materials.
This type of insulation is great for wall cavities and attics.
Blown in cellulose and fiberglass can also be cost effective attic insulation solutions even with a radiant barrier.
The most common types of materials used for loose fill insulation include cellulose fiberglass and mineral rock or slag wool.
Fiberglass cellulose and rock wool.
The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons.
Cellulose insulation can be installed in various parts of the attic.
Spray foam offers the best attic insulation performance available.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Most fiberglass products contain 40 to 60 recycled glass.
Fiberglass loose fill insulation is made glass and sand that are spun or blown into fibers.