Removing Old Attic Insulation
Commercial insulation your home is insulated with traditional fiberglass batt or blown-in insulation in the attic, it must be removed prior to spray foam insulation being installed. This may seem counterintuitive, but it is necessary if you want your new insulation to work efficiently.
Existing Attic Insulation Can Be Dirty or Home To Pests
Fiberglass and cellulose insulation can be contaminated with rodent droppings or feces. This contamination isn’t a good thing for several reasons. It’s important to remove contaminated insulation because it can cause or worsen health problems such as asthma and sinus issues. This contamination can also move into the living space of your home through the attic vents and ductwork.
It can also promote mold growth, as the moisture from the contaminating insulation will move down into the living space and get re-circulated throughout your house. It’s also important to remove contaminated insulation because it hinders the air flow into the attic, preventing proper ventilation.
Another reason to remove old insulation is because it can hinder the performance of your new spray foam insulation. Spray foam insulation can only be applied to clean surfaces, so if you have old cellulose or fiberglass in the attic, it will prevent the spray foam from adhering and working properly. Using budget-friendly insulation without removing the existing insulation won’t offer much of an improvement and can actually make your energy costs higher. So if you are thinking of having your attic insulated with spray foam in Mercersburg, PA, be sure to remove the old insulation upstairs!
Energy Solutions
268 Industrial DR, Clarksville, TN 37040
(931) 651-9284
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