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That’s partly because 9 out of 10 homes in the U.S. are under-insulated, according to the Environmental Protection Agency (EPA), with older residences especially likely to need the extra care. Knowing ...

Q - I have found on the internet a place that will sell me everything I need to spray foam insulation into my attic. I hear you talk about how spray in foam is the way to go. How hard do you think ...