Old Forms Of Attic Insulation

If the insulation is wool like and gray it may be loose fill rockwool.

Old forms of attic insulation.

The mineral was popular. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. How to identify dangerous asbestos insulation.

Another form of insulation that became popular is cellulose. Spray foam attic insulation. This is a lightweight shiny material that resembles mica flakes. Loose fill fiberglass attic insulation still experiences convection but not nearly as much as old fiberglass used to.

These fibers became the base of fiberglass insulation which became popular in the 1940s. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. Loose fill or batt the common term for blanket insulation. The 1950s 1970s.

The most common insulation materials are fiberglass cellulose and foam. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. While this type is often still used older insulation may be discolored or torn and is therefore less effective. It absorbs water and it is fire resistant.

Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation. A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Both can be added to uninsulated attics or layered over existing material. See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. 3 main old attic insulation types. 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.

Asbestos insulation found in buildings above.