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Sumeet
Oct 13, 2016
19:19:38
Removing a polyurethane coating from concrete
I'm in an interesting situation, we applied a "clear" polyurethane anti-graffiti coating to architectural finished concrete. The coating turned essentially black after it was applied and now we need to remove it. We are looking into using Swing Professional Remover on the concrete walls and then pressure washing the coating off. Do you guys think this will work or would it stain the concrete more?
Mark
Oct 14, 2016
09:13:30
Re: Removing a polyurethane coating from concrete
I am very curious as to why a clear polyurethane would turn black. That is very odd.

Yes, you can use the Swing Professional Remover GEL to remove the coating from concrete. This product is the best product to use to remove polyurethane (or graffiti) from concrete or brick surfaces. Allow the remover to activate for 5-15 minutes, and pressure wash the surface to remove the coating.

The remover will not stain the concrete.
Sumeet
Oct 14, 2016
09:21:57
Re: Removing a polyurethane coating from concrete
We are all very curious and frustrated as to why the polyurethane coating has turned out so dark, the supplier is telling us it may be due to high humidity and water being trapped under the coating. Thanks for the quick response!
Ralph Mackey
Oct 21, 2023
17:23:25
Re: Removing a polyurethane coating from concrete
A partial quart of polyurethane, product name Varethane, spilled on our concrete garage floor. What product do you recommend to remove it?
Mark
Oct 21, 2023
20:02:25
Re: Removing a polyurethane coating from concrete
Circa 1850 Furniture Stripper or Heavy Body Paint & Varnish Remover will remove any varnish.
John Morgan
Dec 05, 2023
10:23:03
Re: Removing a polyurethane coating from pool plaster
We recently had our indoor pool deck re-finished with a polyurea coating as seen here:
https://www.tsrconcretecoatings.com/epoxy-vs-polyurea

Unfortunately, the company that did the work left behind a lot of drips of the polyurea base coat on the walls and floor of the pool. What product/ method do you recommend to best remove this without affecting the pool finish? Thank you.
Mark
Dec 05, 2023
11:26:35
Re: Removing a polyurethane coating from concrete
What, if any, coating is on the pool walls and floor.?
John Morgan
Dec 06, 2023
12:49:39
Re: Removing a polyurethane coating from concrete
Thanks for your response. There is no coating, i.e., paint on the pool walls or floors. It is a plaster finish. However, I think it is an upgrade from regular pool plaster. I'm guessing it is a quartz finish, i.e., has some added aggregate in the plaster. I can try to find out from the company that did the job if that is crucial information.
Mark
Dec 06, 2023
13:03:08
Re: Removing a polyurethane coating from concrete
If there is no coating, I suspect it is a gunite finish.
You can try using the Circa 1850 Heavy Body Paint and varnish remover to take off the drips.
You may end up taking off the coating, but still have stains from the drips or from the stripper.
John Morgan
Dec 06, 2023
13:40:25
Re: Removing a polyurethane coating from concrete
Pool company confirmed that it is a quartz finish on the pool.
John Morgan
Dec 07, 2023
20:20:08
Re: Removing a polyurethane coating from concrete
So.... the Cicrca 1850 Heavy Body Paint and Varnish remover would work better than the Swing Professional Remover Gel for removing polyurethane paint drips from quartz (gunite)?
Anthony jones
Apr 03, 2024
10:13:10
Re: Removing a polyurethane coating from concrete
Hi looking for the best product for removal of garage floor poliurathane paint I have dropped some on my patio flags but can not remove it
Mark
Apr 03, 2024
10:27:12
Re: Removing a polyurethane coating from concrete
Circa 1850 Heavy Body Paint & Varnish Remover is the product to use to remove the polyurethane.
Anthony
Apr 03, 2024
10:36:18
Re: Removing a polyurethane coating from concrete
We're could I buy it and what does it cost thanks
Riley white
Apr 19, 2024
18:13:01
Re: Removing a polyurethane coating from concrete
Hey, just wondering if you have a product that can be used to Remove a polyurethane Resin binder stains off concrete ?
Mark
Apr 22, 2024
08:30:54
Re: Removing a polyurethane coating from concrete
Circa 1850 Heavy Body Paint & Varnish Remover will remove the polyurethane, but if the stains have penetrated into the concrete, they may remain even after stripping.
P K Basu
Jun 29, 2024
02:12:59
Re: Removing a polyurethane coating from concrete
Please suggest some remover for the PU coating from the concrete roof surface
Mark
Jul 01, 2024
07:49:11
Re: Removing a polyurethane coating from concrete
Circa 1850 Heavy Body Paint & Varnish Remover will remove the polyurethane.
Michael webb
May 06, 2025
18:00:13
Re: Removing a polyurethane coating from concrete
Spilled polyurethane on carport concrete 7 yrs ago how can i removed it now
Mark
May 07, 2025
06:22:26
Re: Removing a polyurethane coating from concrete
Circa 1850 Heavy Body Paint & Varnish Remover will remove the polyurethane.

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