#21  
Old 12-15-2010, 11:51 AM
Journeyman
 
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Location: Gilbert, AZ
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Default Re: Acid Wash

Commercial masons have to deal with increased regulatory issues, thus they use the buffered cleaning solutions. Most large companies hold the contractors feet to the fire to make sure they are operating in an environmental sensitive manner wherever possible due to the quantities they have onsite. Having just gone though a shutdown, it is amazing to see the quantity of chemical which come on site during a project.
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  #22  
Old 12-15-2010, 12:11 PM
sacwoodpusher's Avatar
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Location: Wilton, CA (Near Sacramento)
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Default Re: Acid Wash

Quote:
Originally Posted by Tscarborough View Post
I would suggest that you don't smear the brick with mortar, first, and if you do then there are various proprietary acidic cleaners available that will not burn the brick. Sure Klean 600 is the main one here in the states, I am sure there is an Aussie analogue. Vinegar is also a good choice, but the best method is soft bristle after tooling, then wire brush if needed after initial set.
Yep....don't smear the brick with mortar.....Thanks.

Sure Klean 600.....will look for it. I think my soft bristles may be doing the job, a good old scrub brush with plastic bristles. Then I have to decide, is that mortar I put on the brick, or a little of the distressing......My take is that if it won't come off, that's the distressing that came with the brick.
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  #23  
Old 12-15-2010, 01:25 PM
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Default Re: Acid Wash

The thing to do is, do not mess with the mortar while it is wet. That is when you will smear it. Leave it alone until it is crumbly and soft, then use a soft bristle brush to remove most of it. That will usually be about the time to tool the joints, so do that first, then soft brush, then after it sets further, to the point that it won't hold fingerprints, you can use a wire brush to clean further. Rub the brush diagonally across the brick. Anything remaining after that, use vinegar upon.
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  #24  
Old 12-17-2010, 12:13 AM
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Default Re: Acid Wash

In the pursuit of truth, happiness, and scientific experimentation, I did a clean with vinegar today on some work that was washed out with a wild rain storm we had last week.

The brickwork above the washed out section is how we usually keep our work looking.

The washed out work below shows the before and after effect of viginar washing, the mortar smears were just superficial and rubbed with a fine soft brush and viginar.
I wouldnt use a wire brish on brickwork as it tends to leave metal marks on the bricks which are impossible to remove.

The brickwork is 1 week old, we dont normally wash our work down, that is left to a professional brick cleaner, and they use acid......run for the hills, we'll all die.......

The work is still in my opinion dirty and would shine if cleaned with acid.
I will try to get a pic of the same work after the acid wash.

The vinegar used was no name white vinegar, would the outcome have been different if I had of used Balsamic, or malted?
Attached Thumbnails
Acid Wash-viginar2.jpg   Acid Wash-viginar.jpg   Acid Wash-viginar1.jpg  
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Last edited by brickie in oz; 12-17-2010 at 01:15 AM.
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  #25  
Old 12-17-2010, 01:18 AM
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Default Re: Acid Wash

Quote:
Originally Posted by sacwoodpusher View Post
My take is that if it won't come off, that's the distressing that came with the brick.
Or you didnt use acid to wash it?
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  #26  
Old 12-17-2010, 01:23 AM
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Location: Tasmania
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Default Re: Acid Wash

Keep the Spirit of salts for the bricks and the vinegar for the battered whiting dont confuse the two.
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  #27  
Old 12-26-2010, 12:49 PM
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Join Date: Feb 2010
Location: ipswich qld
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Default Re: Acid Wash

just a quick question here to clear things up out off the guys saying use or dont use acid ......what is your trade?? bricklayer? because im a carpenter and i asked a few brickys on a few building sites that ive been to and they said acid


and lets face it if used the right way acid is safe.....its a bit like electricity its safe until someone stick's a knife into the socket


cheers paul
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  #28  
Old 12-26-2010, 02:19 PM
Il Pizzaiolo
 
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Default Re: Acid Wash

Personally, I DO USE ACID, but I am not going to recommend its use to a novice on this forum. Come on, every day there are new members who have never mixed a single batch of mortar in there life but they are eager to tackle an oven build....GREAT for them, just don't mention acid...really stupid for anyone to squeeze there way into their oven to clean the bricks or mortar joints with an acid solution. Just my two cents, and now I'm off to spend it.

RT
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  #29  
Old 12-26-2010, 02:35 PM
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Default Re: Acid Wash

Why would anyone clean the inside?
Id never even thought of it, until now.
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  #30  
Old 12-26-2010, 03:27 PM
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Default Re: Acid Wash

Quote:
Originally Posted by RTflorida View Post
Personally, I DO USE ACID just don't mention acid...really stupid for anyone to squeeze there way into their oven to clean the bricks or mortar joints with an acid solution.

RT
see electricity coment
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