Types of Attic Insulation
There is a number of different types of attic insulation, below is the overview of the three most common attic insulation types.
Batts-One of the Most Common Types of Attic Insulation
Insulation batts are made of long, interweaving fibers with adhesive binders. The two kinds of batts or rolls that are most likely to be used are fiberglass and cotton. In terms of their insulating quality, they are close to being the same. Cotton batts, are really ‘cool’ , though because they’re actually made of recycled blue jeans.
The batts, however, may not work as well because they won’t fill up the space properly. Batts may not therefore, be considered the best types of attic insulation, since for the best performance, there has to be no gaps, voids or compression in the insulating material.
Blown Attic Insulation Types
Blown attic insulation may be a better choice since comes in smaller chunks. The installer, needs to hold a large hose and blow the chunks on insulation into the attic. The two main choices for blown types of attic insulation are fiberglass and cellulose, and there are advantages and disadvantages for both. They both insulate pretty much the same, though, with R-vales in the 3 -4 range per inch. While cellulose comes from recycled newspapers, fiberglass insulation comes from a ‘rapidly renewable’ resource – sand.
Sprayed Types of Attic Insulation
The third of the major attic insulation types is spray foam. There are two types of spray foam on the market – open cell and closed cell. Each one has its pros and cons, but both are pretty effective as far as insulation goes. The main advantage of spray foam is that it allows for the the building envelope to be moved from the attic floor to the roof line. If you have your HVAC system in the attic, then it can be a very good thing.
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Depending on a variety of factors, one of the different types of attic insulation will be the right one for your home!
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