How Long Does Attic Insulation Last

We ve rounded up all the most important know how about attic insulation costs products prep work and installation right here.

How long does attic insulation last.

Loose fill insulation may settle over time leading to air leaks. The international association of certified home inspectors states batt loose fill fiberglass and cellulose insulation can all provide 100 years of warmth. 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. But this is in perfect conditions.

When service life is included in the terms of a fiberglass insulation. Homes that were built more than 10 years ago may not be up to the latest insulation standards so unless your house was recently built or you ve replaced your insulation within the last 10 years or so there s a good chance your home is not properly insulated. Unfortunately insulation doesn t last and perform effectively for years and years. It is also often used as a home to rodents that can leave it ineffective and damp.

While some insulation is built to last years there are times when you need to replace your insulation or add on more insulation to it. According to home advisor insulating your attic can cost between 1700 to. It starts with how old your insulation is. Foam insulation can settle after a year and may need to be replaced to keep it fluffy and insulating properly.

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. But if you can t afford to shell out a few hundred bucks for this service never fear. Do a little research online and you ll find sites that claim insulation can last for 100 years or more. Blown in insulation made from cellulose or mineral wool this type of insulation will also last as long as 100 years but is prone to settling and compacting.

If you just moved into a newly built house two years ago you are most likely good to go. Keep reading for the details. A century of service the expected service life of fiberglass insulation under ideal conditions is usually stated as 100 years. And we all know our homes are rarely perfect.

Attic insulation option no 3. 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. Insulation that gets dirty or logged with dust will be less effective.