Old Forms Of Attic Insulation

How to identify dangerous asbestos insulation.

Old forms of attic insulation.

Another form of insulation that became popular is cellulose. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. It absorbs water and it is fire resistant. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you.

These fibers became the base of fiberglass insulation which became popular in the 1940s. 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. 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.

3 main old attic insulation types. Loose fill fiberglass attic insulation still experiences convection but not nearly as much as old fiberglass used to. 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. For diy attic insulation you ve got two choices.

See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation. While this type is often still used older insulation may be discolored or torn and is therefore less effective. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Spray foam attic insulation.

The most common insulation materials are fiberglass cellulose and foam. If the insulation is wool like and gray it may be loose fill rockwool. The mineral was popular. Loose fill or batt the common term for blanket insulation.

This is a lightweight shiny material that resembles mica flakes. The 1950s 1970s. Asbestos insulation found in buildings above. 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 type of insulation you need depends on which type is currently installed and the required r value.