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 ...

This means six 94-pound bags of Portland cement are in each cubic yard of concrete. It’s probably a better idea to add seven or eight bags to exterior concrete. You can bet the old masons building the ...

Lime mortar has been used in building construction for thousands of years. But despite this long history, little is understood about how it behaves. Lime mortar has been used in building construction ...