Old Forms Of Attic Insulation

While this type is often still used older insulation may be discolored or torn and is therefore less effective.

Old forms of attic insulation.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. These fibers became the base of fiberglass insulation which became popular in the 1940s. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Asbestos insulation found in buildings above.

Loose fill fiberglass attic insulation still experiences convection but not nearly as much as old fiberglass used to. Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation. For diy attic insulation you ve got two choices. If the insulation is wool like and gray it may be loose fill rockwool.

Loose fill or batt the common term for blanket insulation. This is a lightweight shiny material that resembles mica flakes. Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white.

Both can be added to uninsulated attics or layered over existing material. 3 main old attic insulation types. It absorbs water and it is fire resistant. The type of insulation you need depends on which type is currently installed and the required r value.

The most common insulation materials are fiberglass cellulose and foam. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. How to identify dangerous asbestos insulation. The mineral was popular.

Spray foam attic insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. If you check with the north american insulation manufacturers association they ll assure you that fiberglass or mineral wool is definitely your best choice for attic insulation.

Another form of insulation that became popular is cellulose.