Masonry units subjected to pressure or lack of adequate support are prone to cracking and buckling. This pressure can include but is not limited to:
Both cracks and buckling can be addressed by using various methods of structural reinforcement along with pinning, and grout and epoxy injection methods.
Just filling a crack in a masonry building with mortar rarely works as the problem is usually an underlying issue and the integrity of the masonry units have been compromised.
Joshua Dunn is the owner of Alliance Restoration LLC, a Kansas City based masonry restoration contractor and consulting service that focuses on traditional methods in masonry construction and up-to-date preservation techniques to maintain our built heritage.