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' DIVISION 4 <br />MASONRY <br />' 04220 - MASONRY WORK <br />brushes. Cut "slugs" off with wooden paddle. <br />' during same cleaning period, at time approved bylean Architl exterior masonry <br />Architect. <br />B. Use proper cleaning solution. <br />solution. Brush on solution over nan area not se wall roughly prior toyapplying <br />stains quick scrub. Rinse immediatelyto exceed 20-25 and give <br />oroughl <br />Provide protection for other works including wood, stonwith clean water. <br />etc. If mortar is burned, discolored or seriously etched,mcutlOut tohing� <br />' depth and repoint. /2�� <br />C. Do not treat green stain or effluorescence resulting from vanadium <br />' with an acid solution. To remove this stain follow recommendationssofts <br />masonry unit manufacturer. Repeat operation until no staining reoccurs. <br />1 <br />1 <br />1 <br />I <br />G <br />1 <br />1 <br />1 <br />' 5264 <br />SECTION 04220 - <br />