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Max Online: 36273 @ 01/23/13 02:34 PM
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#3476717 - 05/17/09 08:23 PM How do I remove varnish/shalack from brick?
LoneStarSon® Online   content
Private Dancer

Registered: 03/19/08
Posts: 50816
Loc: Between here and there
In front of our fireplace, one of the previous owners shalacked over the bricks...Not the ones on the chimney, but on the floor...I would like to remove this so I can clean the dirt from the bricks...

Any ideas?
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#3478324 - 05/18/09 10:29 AM Re: How do I remove varnish/shalack from brick? [Re: LoneStarSon®]
Kingfisher196 Offline
TFF Guru

Registered: 07/21/05
Posts: 12286
Loc: Ft. Worth
The only thing I can think of would be either acetone, mineral spirits or paint thinner and a good stiff brush. I've heard oven cleaner can be used to clean bricks, but it takes a while and not sure if it will work on removing paint.
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Originally Posted By: Ride-or-Fish ®
and quite frankly, I might enjoy the taste of bladder water. dont judge me.






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#3478403 - 05/18/09 10:49 AM Re: How do I remove varnish/shalack from brick? [Re: Kingfisher196]
waydon1 Offline
Pro Angler

Registered: 01/11/03
Posts: 825
Loc: central tx
lacquer thinner or paint remover....paint thinner probably won't work... acetone is for fiber glass and epoxy's....

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#3484736 - 05/19/09 08:15 PM Re: How do I remove varnish/shalack from brick? [Re: waydon1]
OldFrog Offline
TFF Guru

Registered: 02/16/06
Posts: 48000
Loc: Probably not where you think
If that doesnt work, use muratic acid...but you'll need to rinse it off VERY well. Going to be difficult to keep if off the other stuff, too...( carpet, etc). Just make certain it's rinsed real good when you're done. I need to tell you that it's risky to use that stuff....but that's what you clean bricks with. It will also eat at the mortar...so get it done quickly.
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#Hillary-STAND DOWN !

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#3484769 - 05/19/09 08:26 PM Re: How do I remove varnish/shalack from brick? [Re: OldFrog]
lakeforkfisherman Online   happy
Elliptical Mechanic

Registered: 08/04/06
Posts: 7786
Loc: Dallas/Quitman
Maybe try stripper. Kleenstrip makes some in a spray can that works pretty good.
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#3484829 - 05/19/09 08:43 PM Re: How do I remove varnish/shalack from brick? [Re: OldFrog]
LoneStarSon® Online   content
Private Dancer

Registered: 03/19/08
Posts: 50816
Loc: Between here and there
Originally Posted By: Oldfrog
If that doesnt work, use muratic acid...but you'll need to rinse it off VERY well. Going to be difficult to keep if off the other stuff, too...( carpet, etc). Just make certain it's rinsed real good when you're done. I need to tell you that it's risky to use that stuff....but that's what you clean bricks with. It will also eat at the mortar...so get it done quickly.
First off, I love your new signature line...Jericho is one of my favorite shows and I hate that it's no longer in production...

We are about to replace the carpet in the living room, so this is why I've chosen to do this now...

Thanks for all the advice, I'll let y'all know how it goes...
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#3485550 - 05/20/09 12:31 AM Re: How do I remove varnish/shalack from brick? [Re: LoneStarSon®]
OldFrog Offline
TFF Guru

Registered: 02/16/06
Posts: 48000
Loc: Probably not where you think
LSS, since I dont watch TV, I watched the entire 1st season online and rented the DVDs for the second season.

My gut, among other things..tells me that the writers of that show had a great deal of insight of what could happen in this country anytime now. Make a few modifications and we are already on the path.
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#Hillary-STAND DOWN !

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#3486240 - 05/20/09 09:08 AM Re: How do I remove varnish/shalack from brick? [Re: OldFrog]
Roller22 Offline
TFF Team Angler

Registered: 03/30/04
Posts: 4647
Loc: Justin, TX
Oldfrog is right about the muratic acid. You need to have ventilation (fan) and also use a plastic brush. The acid will ruin a wire brush in a hurry. I mix it 50/50 with water in a plastic bucket. Dip the brush in the bucket and rub the brick or rock with the brush. I have seen people spray it on with a spray bottle then rub with a brush. Less spillage. It is very potent, so don't breathe it as you mix it with water.

I have used a product called Strip-eze for paint and varnish on wood. Might give it a try before the muractic acid. It is thick like jelly and scrapes right off. You could then clean the brick with the muratic acid. You will be amazed at how much dirt is on the brick and the color difference.
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