Q: Two sides of our house are surrounded by large flagstone patios, probably 20 to 30 years old and maybe even older. The mortar between the stones is cracked and crumbling. I believe the stones are ...

Dear James: My small concrete patio has some fine cracks but is overall sound. When I enlarge it with flagstone, can I put flagstone directly over the existing concrete patio? — Sophia T. Dear Sophia: ...

Repairing joints and cracks in an existing stone patio or walkway is easy with a good quality polymeric jointing sand. Polymeric sand is made from sand particles and adhesive binders to create a ...

Q: I have a 600-square-foot flagstone patio that I think I have to remove and replace because it runs up to the wall of the house, and when there’s a big storm, water pools up on the patio. Now it’s ...