Custom foam insulation shapes can last for decades when protected and maintained properly. Over time, all insulation breaks down. To extend the lifespan of your insulation, make sure that you take steps to reduce condensation in the area as this has the potential to expedite the breakdown process. Additionally, before installing insulation shapes, you will need to make sure that the materials are properly rated for your application. If you are not sure how to find the perfect insulation shape(s) for your job, call the professionals.