Pros and Cons of Fiberglass Roof Insulation

The roof of a home or building is often the most exposed and to prevent the loss of heat or cool air fiberglass roof insulation is often installed. There are several types of insulation materials that could be used but fiberglass roof insulation is the most common. You'll find it being used in many homes and businesses. There are several good reasons why fiberglass roof insulation is a popular choice, but there are also reasons why it may be an unfavorable one. The following article will go over several pros and cons associated with the use of fiberglass roof insulation.

Cost Effective

Out of all of the insulation you can purchase, fiberglass roof insulation is the least expensive. The material used to create it is described in its name. It is essentially made from very thin strands of glass. These bundles of fibers, which resemble cotton candy, are then pressed between two sheets of paper material known as batting. The price of fiberglass roof insulation varies, but on average it's around $11.00 for a 15 inches wide and 32 feet long sheet. This can be cut to the lengths you need. You can also purchase pre-sized sheets but these cost more money.

Ease of Installation

When you select roof insulation you want to choose one that isn't hard to install. The harder the installation is to install the longer it takes and this can lead to a more expensive job. If you are doing the work yourself it can lead to costly mistakes. Fiberglass roof insulation is easily cut with a utility knife to the size that you need. When you purchase fiberglass insulation its width is the standard width found in homes and buildings between the studs. You simply have to trim the fiberglass roof insulation and stuff it between the studs. Since it is going in a floor you do not have to staple it in place unlike you would do if you were putting it in the walls.

Health Considerations

Fiberglass roof insulation, despite all of its good qualities, is not a very health conscious substance. The small glass fibers will cause skin irritation if they get on you. Breathing in fiberglass is also very unhealthy can cause a myriad of problems with your lungs including trouble breathing and scratching the sensitive tissue. To install fiberglass insulation you should always wear long pants, long sleeves, goggles, gloves and a respirator.

Effectiveness as Insulation

Despite some of the problems associated with fiberglass roof insulation it is still quite effective in its duties. Despite the R-value of fiberglass roof insulation being around 3.14 this never changes throughout the life of the insulation. The R-value represents the thermal barrier it provides and a higher number translates to how good the insulation is. Insects will not devour it, but birds and mice will pick it apart for nesting material. The fiberglass itself is mold and mildew resistant but the paper batting usually is not. Fiberglass roof insulation will not burn but if it gets too hot it will melt.