It isn't uncommon for people who buy a home to find out that either the old house that they are buying has no insulation, or it isn't well insulated. While this can be a nasty surprise, it is something that can be relatively easy to correct. It doesn't even have to be all that expensive, and the money you spend to buy the insulation will mean great savings on your energy bills. One of the easiest ways to fix insulation problems is to use blow in insulation.

Compressed insulation is put through a blowing machine to fluff it up and make it more effective. It can be blown through a hole in a wall in order to add insulation where there wasn't any, or it can be blown into an unfinished attic to add insulation (or more insulation, if needed). Many times a special type of blanket is put down and the blow in insulation is blown in through a slit to keep it from going where you don't want it. Then you just seal the slit and your insulation is contained.

Professionals have the best equipment and enough experience to do these types of jobs quickly and easily. But if you are a do-it-yourself type person it is also possible to rent the proper equipment and purchase the blow in insulation so you can do this project on your own. You can find instructions on the internet if they don't come with the insulation or equipment.

Blow in insulation comes in four different types: fiberglass, rock wool, cellulose, and vermiculite. The fiberglass insulation has the best insulation properties, so you will need less of it than the other types, although it is a bit more expensive usually. Both Owens Corning and Johns Manville sell this type of insulation. Cellulose insulation is sometimes put on top of fiberglass insulation in order to take advantage of the best properties of each type. It is also used alone, though it does take more of it to get the same effect as you would with fiberglass. Newspaper is treated so that animals and pests are less likely to use it or try to eat it, as well as to make it more fire resistant, in order to make this type of insulation.