The use of shotcrete or sprayed mortar is a common construction alternative to retrofit unreinforced brick masonry (URM). and extensive research has already been carried out in this area. However. most studies have been conducted on lateral strength. https://www.ngetikin.com/flash-choice-1-Gallon-Roll-Cote-High-Performance-Moisture-Vapor-Barrier-Coating-and-Primer-limited-super/