Masonry Magazine June 2007 Page. 24
NEW RULES FOR CLEANING
By Gary Henry
PROSOCO
Cleaning today's relatively new concrete masonries, such as simulated stone and concrete brick, is different from cleaning clay masonry. Clay masonry typically can withstand the more aggressive cleaners needed to dissolve hardened mortar smears; however, even today's clay masonries vary enough in type to warrant specific procedures and products.
Taking this one step further, the situation gets even more complicated when you consider that many of today's buildings increasingly utilize mixtures of different types of masonries.