We may receive a commission on purchases made from links. If you've noticed a white, powdery substance on a surface in your ...

Q. Our home is 12 years old. Almost from the start the basement floor started getting black blotches which just got larger and larger. In the center it begins to get white and chalky. I have had ...

Last week I was flooded with great problems to solve. James H. lives in Evanston, Ill., in a condominium complex. Not all condo complexes have garages. Some have carports that stop most sunlight and ...