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Old 05-17-2008, 10:53 AM   #1
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Prepping concrete floor for epoxy paint


I am getting ready to apply an epoxy paint to the slab floor of our 3 season porch. I removed the old I/O carpet, and it left a lot of yellow carpet adhesive on the floor. I was able to scrape most of it up, but I'm still left with a thin layer (in some spots).

Do I need to remove all of the glue or will the epoxy still bond? And if I do, is there a product I can use to soften or dissolve the glue?(ventilation is not a problem) I realize it will probably be labor intensive, but I'd rather do it right the first time as opposed to having to do it over if the paint doesn't bond.

I plan on etching the floor w/muriatic acid. And for the record, I'd tried a test spot, and the acid didn't budge the glue.

Any input would be appreciated.
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Old 05-17-2008, 11:04 AM   #2
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Prepping concrete floor for epoxy paint


You'll probably need to use a good paint stripper on it to get the glue off. And yes it needs to come off. You'll have a mess if you try to go ahead before removing it all.
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Old 05-17-2008, 11:28 AM   #3
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Prepping concrete floor for epoxy paint


You will be able to find an adhesive remover at any big box store.

Once you get the remover, you'll be surprised at how easily it comes up.

You'll need lots of ventilation though.
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Old 05-17-2008, 12:02 PM   #4
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Prepping concrete floor for epoxy paint


Thanks guys, I appreciate the input-especially the part about "how easily it comes up"!!

I'm heading over to Menards right now. I'll keep you posted.
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Old 05-17-2008, 01:32 PM   #5
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Prepping concrete floor for epoxy paint


Would it hurt to give it a good bleach scrub down or a pressurewash too?
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Old 05-17-2008, 01:44 PM   #6
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Prepping concrete floor for epoxy paint


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Originally Posted by elscorcho View Post
Thanks guys, I appreciate the input-especially the part about "how easily it comes up"!!

I'm heading over to Menards right now. I'll keep you posted.

LOL, I know, right now it seems as hard as concrete, but the remover will melt it right down for you. I've used it for tile adhesive.

After the adhesive is removed, you still need to etch the floor. If you're using a kit, the cleaner/etcher should be included. Nowdays, etching isn't necessarily done with acid, but tsp.
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Old 05-17-2008, 05:12 PM   #7
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Prepping concrete floor for epoxy paint


Thanks again guys. Picked up a gallon of Zissler adhesive remover-looks, and works, (and burns your skin) a lot like aircraft stripper. I had the foresight to pick up some TSP too, so I'll give it a good scrubdown and rinse after I'm done.

You guys were absolutely right, it just melts the old glue with no problem. There are a couple of spots here and there that may need a second application, but nothing serious. This project is back on track and the end is in sight!!

Thanks to everybody who chimed in-it is very much appreciated!!
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