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 ...
Q. I am installing flagstone and some paving brick on top of a concrete patio. A book I read suggests mixing sand, cement and hydrated lime in different proportions to make the mortar mix. What is ...