Attic Insulation Shelf Life

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.

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. Those areas are below an attic space. Depending on your home s insulation type you ll be protected for a few decades. When service life is included in the terms of a fiberglass insulation manufacturer s.

Plenty of attics have 50 year old insulation. The expected service life of fiberglass insulation under ideal conditions is usually stated as 100 years. That said a few factors can greatly reduce your insulation s lifespan. I life in a 50 year old back split and i ve noticed that front and upper areas of the house are noticably colder than the set tempertature.

The international association of certified home inspectors states that spray foam insulation wrap tape and housewrap insulation can last for more than 80 years. 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. I m wondering if perhaps my attic instulation needs to be replaced or topped up. I did a lot of research and compiled a lot of data on the useful life of a great many building components.

Is there a shelf life to attic insulation. At the same time cellulose loose fill foamboard loose fill and rock wool insulation can last up to 100 years.