Renovating a Limestone Restaurant Floor in time for Reopening in Chester
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To get the limestone floor clean I sprayed the area with a mixture of Tile Doctor Pro-Clean (a multi-purpose degreaser tile cleaner) and Tile Doctor Remove and Go (a multi-purpose stripper and coatings remover). The cleaning cocktail was left to soak into the stone for a good twenty minutes to allow it time to break down ingrained dirt and marks in the old polish from around the fixed furniture and skirting boards that had been applied by the cleaners over the years.
To help the process of taking the stains out of the limestone the cleaning mixture was worked into the tile using a coarse 400-grit diamond encrusted burnishing pad. The pads are fitted to a rotary buffer machine applying weights were required to maintain a better contact with the stone. The cleaning solution turns into a dark slurry as the dirt is released from the floor and once the pad has been over each tile at least three times as vet vacuum is used to extract it.
This process was then followed up with the application of a finer 800-grit pad but applied only with water which helps lubricate the process. Again, the slurry was removed with a wet vacuum and the floor rinsed with water which is vacuumed off once more. This process is then repeated with a 1500-grit burnishing pad which starts putting the polish back on the floor. These large 17-inch pads can struggle around the edges of the floor so small six-inch burnishing pads fitted to a hand polisher are used. Once the whole floor had been treated in this manner it was rinsed down once more and dried with the wet vacuum before being left to dry out fully overnight.