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 ...

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 ...

There is a rich body of scientific research investigating the secrets behind the remarkable durability of ancient Roman concrete. But ancient Maya masons had their own secrets when it came to making ...

Scottish researchers have been taking lessons from the past to keep the country's historic buildings standing. Historic Scotland has been collaborating with Heriot-Watt University to find 21st century ...