Attic Insulation Life Expectancy

Attic insulation is an important tool for the homeowner.

Attic insulation life expectancy.

Recommended attic insulation ranges from r30 to r60 for an uninsulated attic depending on the zone. Square footage of your attic. Having a well insulated attic and house is a great way to not only stay comfortable throughout the year but also save a substantial amount of money over the. R25 to r49 for an attic with 3 4 of existing insulation.

Type and material of your insulation. The expected service life of fiberglass insulation under ideal conditions is usually stated as 100 years. When service life is included in the terms of a fiberglass. According to the international association of certified home inspectors or internachi most types of insulation have a life span much longer than homeowners might think.

Cellulose is often chosen because it is considered a greener home insulation and the costs are slightly less. How to know your attic insulation life expectancy. R5 to r6 is recommended for walls and r13 to r49 for floor insulation. Housewrap wrap tape and spray foam last 80 or more years while loose fill foamboard cellulose fiberglass rock wool and loose fill all last 100 years or more.

A properly insulated attic keeps the home warm keeps energy bills low and protects the roof and home during a heavy snowfall. Cellulose insulation can last for decades. While that sounds impressive it is important to understand that several unique factors about your home and attic determine the longevity of insulation in your attic. Mold growth is also a health concern for your family.

However this type has its limitations namely its overall life expectancy and the reduction in its energy saving benefits as it ages. If your attic insulation was installed before 1990 it likely contains harmful asbestos fibers. After any leak is fixed it is typically advisable to replace your attic insulation to ensure all mold is eliminated. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Intake vents located at the lowest part of the roof under the eaves allow cool. According to home advisor insulating your attic can cost between 1700 to 2100. Attic insulation according to energy gov one of the most cost efficient and cost effective ways of keeping your house comfortable year round is to install insulation in your attic. Several factors determine how long blown in attic insulation will last perhaps you have seen information online that states attic insulation can last up to 100 years.

Blown in insulation typically comes in two different types fiberglass and cellulose. Contractor or insulation installer s fee. For the most part maintaining attic insulation is pretty easy. A century of service.