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CONCRETE UNIT MASONRY <br />04 22 00 - 10 <br />A. Work shall be compared to approved mock up. Any work not meeting or exceeding <br />specifications or mock up will be removed and replaced with satisfactory work at no <br />additional cost to owner. <br />3.9 POINTING, AND CLEANING <br />A. Point and tool holes in mortar joints to produce a uniform, tight joint. <br />B. During construction, minimize any mortar or grout stains on the wall. Immediately remove <br />any staining or soiling that occurs. <br />1. For precision or textured units, except as noted below, clean masonry by dry brushing <br />before tooling joints. <br />2. For burnished, glazed, or pre-finished concrete masonry units, immediately remove any <br />green mortar smears or soiling with a damp sponge. <br />C. Final Cleaning: After mortar is thoroughly set and cured, clean exposed masonry surfaces of <br />stains, efflorescence, mortar or grout droppings, and debris. <br />1. Use appropriate masonry cleaner as tested on the sample panel and as approved by the <br />Design Professional, strictly following manufacturer's recommendations. <br />2. Do not use acids. <br />D. At completion of masonry work, remove all scaffolding and equipment used during <br />construction, and remove all debris, refuse, and surplus masonry material from the site. <br />END OF SECTION