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 ...

You may not know this, but I received a bachelor of science degree in geology many moons ago. I was fascinated by the topic, and it helped me build houses and buildings that would not fail.

Question: It appears I wasted some money five years ago. I had my brick building repointed with new mortar, and it has deteriorated quickly. Do you have any idea what caused it to happen? The building ...

BOSTON--(BUSINESS WIRE)--Cabot Corporation (CBT) announces that HASIT Trockenmörtel GmbH’s Fixit 222 Aerogel product, a Cabot aerogel-containing insulating plaster material, was recently recognized as ...