Fiberglass insulation is among the most widely used insulation in residential houses. This is generally because of it's low cost compared to other types of insulation. The expense of fiberglass insulation differs depending on the density and "R" worth. Besides being inexpensive, there are many other advantages to using fiberglass to insulate your home. It is entirely fire resistant. While other types of insulation may motivate flames to spread, fiberglass does not. If your house were to…