Q. This week: I have to replace my 90 foot concrete driveway, and have gotten estimates from four different contractors. Two of them propose to use 4 inch concrete with a sand base; one says he would ...

Q: We would like to replace our driveway. My wife and I are debating whether to replace the driveway with another concrete driveway or a concrete-paver driveway. I have concerns about the concrete ...

Q. My concrete driveway has eight large slabs. The driveway slopes down from my garage to the street. The straight-line gaps between the slabs has enlarged, and some cracks are as wide as 2 inches now ...

We have a large, dark stain on our living-room ceiling that I believe to be caused by water. What can we do about this? Is there a cleaner that will remove it? A If you haven't found and fixed the ...