Exterior building cleaning

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Jul 9, 2017
79
13
8
Real Name
stephanie barber
#1
Got a call today to remove some streaks from a grocery store exterior painted wall. Don't want to power wash the area because it might flake the paint. Any suggestions? Thanks
 
Jun 15, 2018
54
23
8
Real Name
Thunder Warren
#2
50/50 chlorine mix. Test in a hidden area. If it’s a good paint there should be no discoloration. Spray on lines and rinse when the lines disappear. 5 minuets and walk away with however much money it would cost to power wash.
 

TWalters

New Member
Jun 22, 2018
23
11
3
Real Name
Tristen Walters
#3
Got a call today to remove some streaks from a grocery store exterior painted wall. Don't want to power wash the area because it might flake the paint. Any suggestions? Thanks
Depending on what the streaks are, a 50/50 Chlorine mix would take most stuff off. If it is rust though, try using Oxalic Acid. Be sure to rinse super good though. And if you use Oxalic Acid, don’t get it on any windows!