Q:Thanks for your explanation on insulating a crawl space (Insulating, bracing crawl space a smart idea, Oct. 13). I have a rental house in San Carlos that gets mold on the walls near the floor in the ...

Many homes and additions are built over a crawl space to save time and money. Unlike traditional basements, crawl spaces are often only a few feet tall, built above grade, and many are unfinished with ...