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 ...

Discovered thousands of years ago, hydrated lime is perhaps one of the most amazing multipurpose building products ever put into widespread use. A modern analogue to this revolutionary building ...

May is an active month for garden activities. Soil preparation is one of the primary tasks, whether in a container or the garden. Today’s column has a warning for applying the soil amendment hydrated ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...