Brick sidewalk at William & Mary in Williamsburg, VA

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Great work Lenny! I want to know more about your methods. I assume you used a direct application of sodium percarb? What was the mix? Any surfactant? I guess you used a low pressure rinse afterward? Did you just sweep in the sand?
 
I use QxyClean by Simix. They were in Tampa. I mixed it like it said to, one scoop per gal. and strayer it on. I use hot water with my surface cleaner. Since we were not sealing it wirth Sure 'n Lock we swept the sand in. I hop to be puting OxySeal down after the manager I delt with comes back from vacation. THat is suppose to keep working to keep the mildew cleaned.
 
Here are a couple of videos of some sidewalks we cleaned in Williamsburg this week. They are all brick and some of them are over 200 years old. They are in the garden at the Presidents house at the Collage of William & Mary. We got them cleaned up in time for parents weekend.
http://s1084.photobucket.com/albums/j411/lenschrec/LPWS/?action=view¤t=2011-09-19_10-46-22_642.mp4
http://s1084.photobucket.com/albums/j411/lenschrec/LPWS/?action=view¤t=2011-09-20_12-13-07_630.mp4




That was Pretty nice
 
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