Page 182 - Masonry and Concrete
P. 182

Masonry Construction Techniques



                                 deep into textures;













                Remarks Hydrochloric acid solutions, proprietary compounds, and  Smooth texture: Mortar stains and smears are generally easier to remove; less surface area exposed; easier to presoak and rinse; unbroken surface, thus more likely to display poor rinsing, acid  additional area for water and acid absorption; essential to use  Clean with plain water and scrub brush or lightly applied high pressure and pla
                      emulsifying agents may be used.  staining, poor removal of mortar smears Rough texture: Mortar and dirt tend to penetrate  pressurized water during rinsing  solutions. Sandblasting is not recommended.  glazed brick. Do not use abrasive powders.  detergent solutions are generally recommended.  Brick Industry Association, Reston, VA).
















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                Cleaning Method Bucket and brush hand cleaning  High pressure water  Sandblasting  Bucket and brush hand cleaning  High-pressure water  Bucket and brush hand cleaning  High-pressure water  Sandblasting  Bucket and brush hand cleaning  High pressure water  Bucket and brush hand cleaning  Method is generally controlled   by the brick unit  Technical Note 20 Rev,










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                Brick Category  Red and red flashed  Red, heavy sanded  finish  White, tan, buff,  gray, specks, pink,  brown and black  White, tan, buff,   gray, specks, pink,   brown and black  with sand finish  Glazed brick  Colored mortars  FIGURE 5-34 Brick masonry cleaning methods. (from












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