Q. My garage roof is leaking and I can’t seem to fix it. It is a concrete block-walled, 2-car garage with a flat, slightly pitched reinforced concrete slab roof that has some hairline cracks that ...

Q: Our house has concrete slab floors, no basement or crawl. Our air conditioner and water softener used to drain to an opening in the floor in the utility closet, but the drain is stopped up. I was ...