Old Forms Of Attic Insulation

For diy attic insulation you ve got two choices.

Old forms of attic insulation.

Spray foam attic insulation. The mineral was popular. Another form of insulation that became popular is cellulose. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.

Loose fill or batt the common term for blanket insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. See details about actual building insulation made of or contaminated with asbestos discussed at asbestos building insulation.

This is a lightweight shiny material that resembles mica flakes. 3 main old attic insulation types. Made of newspaper cardboard straw sawdust or cotton cellulose was actually one of the earliest types of insulation. 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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. These fibers became the base of fiberglass insulation which became popular in the 1940s. Asbestos insulation found in buildings above.

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

The most common insulation materials are fiberglass cellulose and foam. Both can be added to uninsulated attics or layered over existing material. While this type is often still used older insulation may be discolored or torn and is therefore less effective. How to identify dangerous asbestos insulation.

The 1950s 1970s.