Q. Our year-old concrete sidewalk has an egg-sized piece that is cracking and separating from the concrete. Can we glue that piece down with a special glue? Or should we try to fill in the hole with ...

Q: Every time I patch cracks in my driveway, the patches stand out. Have you had any luck fixing blacktop cracks so you can’t see them? A: Through the years, I’ve tried many products while seeking the ...