Roof Insulation Life Expectancy

For the most part maintaining attic insulation is pretty easy.

Roof insulation life expectancy.

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. Different types of insulations have different life expectancies so you may be able to estimate how long yours will last if you know when it was installed. If kept dry undamaged and away from uv rays all of these insulating materials have a lifespan of 100 years or more effectively the life of the house. Affordability and insulation qualities are major reasons why foam roofing has rapidly become popular in just under 30 years.

A properly insulated attic keeps the home warm keeps energy bills low and protects the roof and home during a heavy snowfall. Life span of various insulation types. 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. Fiberglass insulation can potentially last 80 to 100 years if it is undamaged but bits can start to fall from fiberglass batts after 15 or 20 years.