Insulating Existing Basements by Alex Wilson Foundation Insulation, Part 3 It is neither easy nor cheap to properly insulate existing foundations, but retrofit foundation insulation often makes sense for a number of reasons. First, the vast majority of foundation s have no insulation. While Americans have spent millions of dollars insulating their houses over the past dozen years, they've put little or nothing into the basement. As a result, today a disproportionate amount of heat is lost through many house foundations . Second, many foundations leak—and improving the drainage away from foundation walls is a key element of any thorough foundation-insulation retrofit job. In fact, proper foundation drainage usually is just as important as insulation—if not more important. Whether you embark on
More about Owens Corning
Find products, contact information and articles about Owens Corning