COLUMBIA, S.C. - Many building codes in the southeastern United States call for increased attic and crawl space ventilation to fight moisture and related IAQ problems. Craig DeWitt, Ph.D., P.E., ...

Dear Action Line: Mold in my crawl space smells in the house after a rain. Is this also related to my dryer venting into the crawl space, and what are my options? -- S.B., Tulsa. Dryer venting: ...

Q: You have often said that crawl-space vents need to be opened in the winter. Why is that? I always thought they should be closed to keep my water pipes from freezing. A. I used to think the same ...

Because of its acidity, vinegar works great as a natural solution for killing mold, but does that mean it should be the go-to ...

Q: I’m building a crawl space foundation for a small add-on to my home and was told I’d have to ventilate it. Since it is mostly dirt and concrete, is venting it really that important? What are my ...

Water damage is one of the most costly and horrific issues that your home can face. Not only does water do damage to building materials that it comes in contact with, but it also creates a breeding ...

Q. I have just built a cottage on a lake in Northern Michigan. The "crawl" space is 5 feet in height (measured from the 4 inch cement slab to the top of the floor joists) and is 1100 square feet. My ...

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 ...

Q. We have a crawl space under the front of our house that, to our horror, had become a rat condo, unbeknownst to us until the odor of urine began to permeate the living space above. (We had not ...

Q. Our southeast-facing three-season porch was converted into a mudroom with a cathedral ceiling. The room is 12-by-12 feet with a 3-foot-high crawl space underneath. One of the crawl space walls is ...