How to remove white streaks from brick?? - Cleaning Talk - Professional Cleaning and Restoration Forum
 
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post #1 of Old 08-10-2015, 08:54 PM Thread Starter
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How to remove white streaks from brick??

I just bought a home that has streaks of white residue on the brick. The streaks are located underneath the aluminum siding and windows. I've tried removing the streaks with paint remover, bleach, and Krud Kutter using a pressure washer. Nothing worked! Any suggestions? Please see attached pictures.
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s1373980 is offline  
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post #2 of Old 11-18-2015, 05:50 AM
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No, I don't know.
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post #3 of Old 06-09-2016, 12:15 AM
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Muriatic acid can be applied with a brush, left on for a while then rinsed off with a hose spray. Repeat as necessary, and perhaps scrubbing with an "acid brush". The acid solution should do most of the work.

Wet down the area and bricks before applying the acid. Protect any plants, etc. by prewetting and/or covering. Try and keep it off the caulk, but that looks easier said than done so monitor the caulk after the job in case it needs redoing. Rinse everything well when done to dilute the acid.

But I strongly suggest that you must hire a professional. To avoid any harmful effect, let the professionals do it for you. You can hire Austral Cleaning too, I’ve been their client for almost a year and I have been experienced their quality work.

I hope it can help you somehow!
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post #4 of Old 06-15-2016, 12:22 AM
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Did you try cleaning with a pressurised hose
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post #5 of Old 09-18-2016, 09:59 PM
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Hot water pressure wash
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post #6 of Old 10-31-2016, 06:02 AM
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Muriatic acid can be applied with a brush, left on for a while then rinsed off with a hose spray. Repeat as necessary, and perhaps scrubbing with an "acid brush(Libman, the brand of cleaning tools carried by many supermarkets, has one, but you'll need to look at a hardware store for one. Looks like HD carries it) The acid solution should do most of the work.
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