They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Old attic insulation types.
If it is white however it may be a newer product.
For example if the insulation is loose fill grey soft and without a shine you probably have cellulose insulation.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
For diy attic insulation you ve got two choices.
Asbestos free insulation materials contains our complete list.
Closed cell and open cell aka 2 pound and pound respectively.
While this type is often still used older insulation may be discolored or torn and is therefore less effective.
Spray foam offers the best attic insulation performance available.
If the insulation is wool like and gray it may be loose fill rockwool.
Loose fill or batt the common term for blanket insulation.
Choose from two types.
Consider the key characteristics another way to determine what type of insulation you have in your home is to look at the insulation itself.
If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos.
Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white.
Old attic insulation types.
Article index to types of building insulation.