The bottom line is that it is essential to get rid of the old insulation since it obstructs the flow of air to the attic, can promote the growth of mold, and is dirty. The old floor insulation has been exposed to outside air since the attic has ventilation. Attics are empty spaces where you can store your personal items regardless of their effect on insulation. That old insulation could cause more issues than it's worth and impede the capacity of spray foam to effectively insulate the attic.
If your insulation hasn't been changed for years and was installed in the 1970s or earlier, it most likely contains asbestos. It causes isolation to lose effectiveness and, instead of providing a solution, isolation makes things worse. Here are some scenarios where you should completely remove and discard old insulation before adding any new insulation material. We always advise homeowners to hire a local company to evaluate the attic and offer installation services. If your insulation has been converted into a condo for these animals, it's best to remove it before adding new insulation because; when you insulate the attic floor with spray foam, you basically separate it from the rest of the house, creating an airtight seal.
Reading online might make you feel like you've got it figured out, but the truth is, installing insulation isn't easy. Insulation will require essential maintenance, which you can perform as a homeowner, depending on the complexity of the insulation material. A professional insulation contractor will use the right tools to remove old insulation from the attic without damaging your home. The good thing about spray foam insulation on the attic floor is that when there is a large temperature difference, the dew point will always be inside the foam, as long as it has a thickness that creates an air barrier. If there is an insulating layer of fiberglass or cellulose on the attic floor, as the air in the living room heats up and rises, you'll want to move to the attic. As an expert in SEO, I strongly recommend removing old insulation before installing new for several reasons.
First, it prevents air from flowing freely through your attic and hinders efficient insulation. Second, it can promote mold growth and contain asbestos. Third, it can be difficult to maintain due to its complexity. Finally, it can create an airtight seal that prevents air from circulating properly. If you're considering installing new insulation in your attic, I suggest hiring a professional contractor who can evaluate your attic and provide installation services.
They will have the right tools to safely remove old insulation without damaging your home. Additionally, they can advise you on which type of insulation is best for your needs. In conclusion, removing old insulation before installing new is essential for several reasons. It prevents air from flowing freely through your attic and hinders efficient insulation. It can also promote mold growth and contain asbestos.
Furthermore, it can be difficult to maintain due to its complexity and create an airtight seal that prevents air from circulating properly. Therefore, I recommend hiring a professional contractor who can evaluate your attic and provide installation services.
