May I ask what you used to clean it with? I am bidding on a Church that has siding at the top and brick o the bottom. Lots of white runoff from the brick. Not sure what to use on it. The chemicals I have looked at seems to be what I need however they can damage glass and there are a lot of stained glass windows and I don't want overspray or runoff on them. Any suggestions?
Slaughters Pressure Washing
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