Because RetroFoam wall insulation is typically installed from the exterior, we can insulate most existing homes. The process may vary slightly, depending on the type of siding on your home. Generally, we will remove a small section of your siding and drill a hole in each stud cavity. The RetroFoam is then injected into each cavity, our team plugs each of the holes once the process is complete. After cleanup is completed your siding is put back on. The majority of homes can be completed in only ONE DAY and the benefits are immediate!
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