19 Sanded floor grout, unsanded wall grout, rapid set grout, grout concentrate, roll-on grout, epoxy grout; Floor and wall tile coverings, namely, glazed ceramic wall tiles, mosaic glass wall tiles, listello ceramic wall tiles; Monocottura and glazed vitrified ceramic wall and floor tile; ceramic mosaic wall and floor tiles, listello ceramic wall and floor tiles; Porcelain floor and wall tiles, porcelain mosaic floor and wall tiles, porcelain floor and wall listello tiles; Glass floor and wall tiles, mosaic and listello glass floor and wall tiles; Composite glass and porcelain floor and wall tiles; Glass and metal mosaic and listello wall tiles; Glass and marble blend wall and floor tiles, glass and marble mosaic and listello wall and floor tiles; Shell tiles, namely, mother of pearl wall and floor tiles; glass mosaic and listello wall and floor tiles; Granite wall and floor tiles, granite mosaic and listello wall and floor tiles, granite slabs; Marble wall and floor tiles, marble mosaic and listello wall and floor tiles, marble threshold, marble slabs for use on walls and floors; Limestone wall and floor tiles, limestone mosaic and listello wall and floor tiles, limestone; Travertine wall and floor tiles, travertine wall and floor mosaic and listello tiles, travertine slabs for building; Onyx wall and floor tiles, onyx mosaic and listello wall and floor tiles, onyx slabs; Quartzite wall and floor tiles, quartzite mosaic and listello wall and floor tiles, quartzite slabs for use on walls and floors; Quartz wall and floor tiles, quartz mosaic and listello wall and floor tiles, quartz slabs, quartz thresholds; Slate tiles, slate mosaic and listello wall and floor tiles, slate slabs; stair treads not of metal; vinyl reducers, namely, vinyl transition floor tiles for use when transitioning from a vinyl floor tile to a floor tile made of another material; ceramic tile spacers in the nature of ceramic tile spacing inserts; Non-metal floor tiles