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CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12, 2020 <br />308 WEST FRANKLIN, CHAPEL HILL, NC <br /> <br />TILING 093000 - 7 <br />3> Verify that installation of grounds, anchors, recessed frames, electrical and mechanical <br />units of work, and similar items located in or behind tile has been completed. <br />4> Verify that joints and cracks in tile substrates are coordinated with tile joint locations; if <br />not coordinated, adjust joint locations in consultation with Architect. <br />B. Proceed with installation only after unsatisfactory conditions have been corrected. <br />3.2 PREPARATION <br />A. Fill cracks, holes, and depressions in concrete substrates for tile floors installed with adhesives or <br />thin-set mortar with trowelable leveling and patching compound specifically recommended by <br />tile-setting material manufacturer. <br />B. Where indicated, prepare substrates to receive waterproofing by applying a reinforced mortar bed <br />that complies with ANSI A108.1A and is sloped 1/4 inch per foot (1:50) toward drains. <br />C. Blending: For tile exhibiting color variations, verify that tile has been factory blended and <br />packaged so tile units taken from one package show same range of colors as those taken from <br />other packages and match approved Samples. If not factory blended, either return to <br />manufacturer or blend tiles at Project site before installing. <br />D. Field-Applied Temporary Protective Coating: If indicated under tile type or needed to prevent <br />grout from staining or adhering to exposed tile surfaces, precoat them with continuous film of <br />temporary protective coating, taking care not to coat unexposed tile surfaces. <br />3.3 TILE INSTALLATION <br />A. Comply with TCA's "Handbook for Ceramic Tile Installation" for TCA installation methods <br />specified F113-07 for floors, TCA F121-07 for shower floors, and TCA W244C guidelines for <br />walls. ."Specifications for Installation of Ceramic Tile" that are referenced in TCA installation <br />methods, specified in tile installation schedules, and apply to types of setting and grouting <br />materials used. <br />1> For the following installations, follow procedures in the ANSI A108 Series of tile <br />installation standards for providing 95 percent mortar coverage: <br />a. Tile floors, base and walls in wet areas. <br />b. Tile floors and base in laundries. <br />c. Tile floors, base and walls composed of tiles 8 by 8 inches (200 by 200 mm) or <br />larger. <br />d. Tile walls composed of rib-backed tiles. <br />e. All other floor, base and wall tile or stone applications. <br />B. Extend tile work into recesses and under or behind equipment and fixtures to form complete <br />covering without interruptions unless otherwise indicated. Terminate work neatly at <br />obstructions, edges, and corners without disrupting pattern or joint alignments. <br />C. Accurately form intersections and returns. Perform cutting and drilling of tile without marring <br />visible surfaces. Carefully grind cut edges of tile abutting trim, finish, or built-in items for <br />DocuSign Envelope ID: 775B89AF-3514-4D9E-B148-2FDE4EFF16C2