If hardened and it has to be removed from the joints, use an industrial scorching air blower. If hardened localized residues of the merchandise stay bonded for the tiles, use P2000 for cleaning. Inside and external grouting of ceramic, stone material and glass mosaic floor finishes. Particularly appropriate for grouting https://watergrout35677.total-blog.com/examine-this-report-on-water-leakage-grouting-40059855