How To Clean flagstone

Old 09-17-04, 10:17 AM
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Question How To Clean flagstone

I just installed a flagstone deck around my pool and want to clean the surface. Would using a power washer do damage to my stones or grout?
Old 09-17-04, 02:17 PM
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A Power washer could very well pit the Stone Surface and the mortar joints. So if you do use a power wash test a area out of the way to see what it could do. Here is some info on Cleaning Masonry work.

The secrete to a successful cleaning is removing the heavy stains and any larger pieces of mortar first using a scraper and rubbing stone. This will be work. Any grayish white haze should be washed away with an Acid wash. Be it a Cleaner or Muriatic Acid

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