Is there a shelf life to attic insulation.
Attic insulation shelf life.
In many cases the only thing wrong with the insulation is the fact that it is thin and has a low r value.
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.
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.
I never saw any document that estimated that the useful life of insulation was only 15 years.
Those areas are below an attic space.
Plenty of attics have 50 year old insulation.
Pros and cons each type of insulating material has its pros and cons.
The expected service life of fiberglass insulation under ideal conditions is usually stated as 100 years.
Depending on your home s insulation type you ll be protected for a few decades.
At the same time cellulose loose fill foamboard loose fill and rock wool insulation can last up to 100 years.
I did a lot of research and compiled a lot of data on the useful life of a great many building components.
I m wondering if perhaps my attic instulation needs to be replaced or topped up.
The international association of certified home inspectors states that spray foam insulation wrap tape and housewrap insulation can last for more than 80 years.
When service life is included in the terms of a fiberglass insulation manufacturer s.