The Upper Midwest’s masonry buildings are among the hardest-working buildings in the world. Buildings in the Upper Midwest are subjected to surface temperatures in excess o…
To preserve our historic masonry buildings for future generations we must understand historic masonry behavior and negative impacts resulting from 20th-century masonry practices... https://www.amengtest.com/news/2014/10/articles/2020/04/what-it-will-take-preserve-our-historic-masonry-buildings-next-100-years/

The older we get, the more often we remark that nothing stays the same. This is especially true when it comes to mortars used in masonry construction. The differences we see in the…
https://www.amengtest.com/news/2014/10/articles/2017/01/quick-guide-historic-mortar-sampling/