I had a weeks holiday with the kids camping, fishing lots of fun and back to work two weeks ago. Just finished a 1200m2 commercial cleaning and sealing job. It had been sealed without it being cleaned properly. It appeared to have a fair amount of grout smear still on the tiles. Any sealed stone must be correctly sealed and neutralized prior to sealing.
steps taken in this job were as follows:
1. Machine scrubber clean with stone cleaner. An acidic and detergent based cleaner. This will remove the grout haze and wash the tiles. Wet vac dry while still wet.
2. Neutralize scrub with bicarb soda and water. Wet vac dry while still wet.
3. Rewash with S4S marble cleaning product. It works great on any porous stone to clean and neutralize .
The granite tiles are now ready to seal (once completely dry).
Using a lambswool applicator we applied a liberal amount of sealer to the stone. Allow aprox half – 1 hour to absorb into the tiles. Then repeat with another generous amount of sealant. If done properly the second coat will take a while to penetrate. About 1 hour later remove any excess. The following day buff the tile to remove any slippery excess.
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