Types Of Attic Insulation In Older Homes
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Types of attic insulation in older homes. Signs of asbestos contamination. Both can be added to uninsulated attics or layered over existing material. These older homes were largely built without insulation and just open cavities in the walls where the house could breathe. I suspect the insulation is original.
One of the biggest problems with old attic insulation types is that some of them are contaminated with asbestos. If you live in a newer house you can probably get this information from the builder. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. 5he house was built in 1944 and is northern virginia.
And as we all know asbestos hardly needs an introduction anymore. The attic is often the easiest place to add insulation. In particularly cold climates you might go up to r 60. One of the most common materials containing asbestos fibers is attic and wall insulation.
The majority of heat loss and gain occurs in your attic. If you have an unfinished and unconditioned attic like many old houses my first recommendation would be to add batt insulation on the underside of the roof. Your home s r value score will guide you toward the type of insulation you need. In older homes specifically asbestos may be found in many different materials from pipe insulation to flooring adhesive to roof shingles.
Loose fill or batt the common term for blanket insulation. Read more about the 3 types of heat here. In general an attic s r value should be between r 30 and r 49. On 2020 07 26 by james identify insulation in a 1944 home in virginia.
R values r values vary based on the type thickness and density of the material being used. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. If you live in an older house you ll have to inspect the insulation. The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces.
Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. For diy attic insulation you ve got two choices. I am trying to identify the type of insulation in my attic. It looks to be a white batt type insulation.
Some of the insulation types discussed above are the result of new technology. But just because your insulation is old doesn t mean it is dangerous. Old attic insulation types. As we mentioned previously vermiculite can often come with some asbestos mixed into it.