Old Forms Of Attic Insulation

Another form of insulation that became popular is cellulose.

Old forms of attic insulation.

It absorbs water and it is fire resistant. While this type is often still used older insulation may be discolored or torn and is therefore less effective. If the insulation is wool like and gray it may be loose fill rockwool. For diy attic insulation you ve got two choices.

A common form of asbestos insulation found in older buildings is an asbestos based corrugated paper insulating wrap used on pipes. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you. 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. The mineral was popular.

The 1950s 1970s. 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. Asbestos insulation found in buildings above. Spray foam attic insulation.

3 main old attic insulation types. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Loose fill or batt the common term for blanket insulation.

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. These fibers became the base of fiberglass insulation which became popular in the 1940s. Both can be added to uninsulated attics or layered over existing material. The most common insulation materials are fiberglass cellulose and foam.

Loose fill fiberglass attic insulation still experiences convection but not nearly as much as old fiberglass used to. The type of insulation you need depends on which type is currently installed and the required r value. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation.

Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white.