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8/06/2020 <br /> <br />04 01 20 MASONRY REPAIR Page 9 of 9 <br />D. Install in strict accordance with the manufacturer’s requirements. <br />3.6 FINAL CLEANING <br />A. After mortars have cured sufficiently to prevent damage, thoroughly clean exposed masonry <br />surfaces of excess mortar and foreign matter; use wood scrapers, stiff-nylon or -fiber brushes, <br />and clean water applied by low-pressure spray. <br />1. Do not use metal scrapers or brushes. <br />2. Do not use acidic or alkaline cleaners. <br />B. Remove masking materials, leaving no residues that could trap dirt. <br />END OF SECTION 040120 <br />DocuSign Envelope ID: 7D9ACD4F-8F6C-42B6-9ADB-C60032DB6D03