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.

The type of insulation you need depends on which type is currently installed and the required r value. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. For diy attic insulation you ve got two choices. 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. This is a lightweight shiny material that resembles mica flakes. Another form of insulation that became popular is cellulose. The most common insulation materials are fiberglass cellulose and foam.

Asbestos insulation found in buildings above. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. Spray foam attic insulation.

How to identify dangerous asbestos insulation. Loose fill or batt the common term for blanket insulation. The 1950s 1970s. The mineral was popular.

A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. 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 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. 3 main old attic insulation types.

If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. Loose fill fiberglass attic insulation still experiences convection but not nearly as much as old fiberglass used to. 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. These fibers became the base of fiberglass insulation which became popular in the 1940s.

Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation.