Paint removal from concrete

Reply

  #1  
Old 01-23-09, 08:02 AM
Member
Thread Starter
Join Date: Jan 2009
Location: Oklahoma
Posts: 87
Paint removal from concrete

I'm a new member to this site, and I need some help.

A few years ago I painted my front porch patio. It's made of concrete. I primed the concrete with Kilz. Then I painted it when some gray "garage floor" paint mixed with some grit to make it an anti-slip surface.

It worked great. But, over time, some of the paint has started to come up where it has gotten wet over the years.

I decided to just strip the paint off the concrete completely and go back to just the original concrete surface.

Here's the problem: I can't find a paint stripper that will remove the paint.

I've tried regular paint stripper for masonry and wood. I've tried finger nail polish remover. I've tried straight Acetone. I've tried some stuff made for removing graffiti. I've even tried a 3000 psi power washer.

I've left the paint stripper on for the required 30 minutes, and even tried to remove it with a wire brush.

I don't know what that garage floor paint is made of, but I think it is made from Kryptonite dust.

It seems that if the concrete is exposed to water long enough, like in the areas that are the most exposed to the elements, then it will release the paint. Eventually.

But, commercial paint stripper, and everything else I've tried, won't even phase it.

This is just one of my Spring/Summer projects on my To Do list.

Any ideas on how to strip the paint back to the original concrete?

Thanks,
Ron
 
Sponsored Links
  #2  
Old 01-23-09, 12:04 PM
Member
Join Date: Feb 2005
Location: USA
Posts: 1,396
Google a product from Franmar called Soy Gel. It will even strip epoxys, which are a real bear. The reason I mention it is that maybe you have an epoxy garage floor paint. Good luck.
 
  #3  
Old 01-24-09, 09:12 AM
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,986
Forget the stripper for now. Rent a 3,000 PSI pressure washer with a 00 tip (red) Blow that paint right off of there.
 
  #4  
Old 01-26-09, 04:39 AM
Member
Thread Starter
Join Date: Jan 2009
Location: Oklahoma
Posts: 87
Pulpo,

I tried a 3000 PSI power washer and it didn't do anything to the paint. It did, however, make my driveway squeaky clean.


Pecos,

Thanks. I will try that.


Ron
 
  #5  
Old 01-26-09, 05:37 AM
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,986
Did you use a red tip? Many rental places don't give a red tip unless it's requested because the average person might do damage with it. It's needed to remove paint.
 
  #6  
Old 01-26-09, 05:56 AM
Member
Thread Starter
Join Date: Jan 2009
Location: Oklahoma
Posts: 87
I don't remember what color the nozzle tip was. I want to say that it was red, but I really can't remember.

It did blast away some of the paint that was already peeling due to its exposure to the elements over the years.

But, it did nothing to the area of the patio that is protected by the porch overhang.
 
  #7  
Old 01-26-09, 02:10 PM
Member
Join Date: Dec 2008
Location: PA
Posts: 49
I've had to leave paint stripper on for a half a day some times longer to get it to come off brick and concrete, even with 3000psi. Some times it takes several applications over a day or two. Try leaving the stripper on longer than a half hour.
 
  #8  
Old 01-26-09, 04:55 PM
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,986
A red tip sends a solid stream of water out of the nozzle. If you had any spray at all, it was not a red tip.
 
  #9  
Old 01-28-09, 05:55 AM
Member
Thread Starter
Join Date: Jan 2009
Location: Oklahoma
Posts: 87
Smitty,

I did that as well. I guess the paint stripper I bought was for regular paint and not the epoxy stuff I used on the porch.


Pulpo,

I guess it wasn't a red tipped nozzle then. I didn't have a wide spray. It was narrow and blasted years of mold and grime from my driveway. But, it was a spray and not a direct solid stream of water.


I've been researching some epoxy paint stripper online. I have narrowed it down to two products. I have contacted the manufacturer's and told them what the issue is. I'm just waiting to hear back to see if their products will do the job.

Thanks.
 
  #10  
Old 01-28-09, 07:31 AM
Temporarily Suspended
Join Date: Jul 2008
Location: NY
Posts: 10,986
I would apply whatever product you finally decide to by, then use the pressure washer again with a red tip.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes