Old Types Of Insulation For Attics

Fiberglass is just that thin fibers of glass that trap air.

Old types of insulation for attics.

Fiberglass batt attic insulation pros and cons. The most common insulation materials are fiberglass cellulose and foam. How do i identify old ceiling insulation. These non asbestos insulations include cellulosic insulations such as loose fill cellulose and balsam wool batts cotton insulation fiberglass insulation mineral wool insulation slag wool insulation and rock wool insulation.

Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. Fiberglass batts offer the easiest way to add attic insulation or just about any area of your home. 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.

The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. Cellulose is recycled newsprint treated with a fire retardant. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. For diy attic insulation you ve got two choices.

First you should understand the different types of insulation. Cellulose provides an r value of approximately 3 5 per inch. Loose fill or batt the common term for blanket insulation. Loose fill insulation is great for installing in attics with very little headroom and multiple.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The type of insulation you need depends on which type is currently installed and the required r value. Pros and cons of cellulose attic insulation. If your home was built before 1990 chances are you have one of the old attic insulation types if the insulation particles have a certain colour usually grey brown or silver gold the particles of the insulation have an accordion like texture if the insulation lays flat.

How to choose the attic insulation your home needs blanket insulation. Both can be added to uninsulated attics or layered over existing material. There are five main types of insulation that you may encounter. Pros and cons of attic insulation types.

Here are some guidelines. 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.