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