Glue Off Of Concrete Floor

 
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Old 01-21-2012, 03:30 PM   #1
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Glue Off Of Concrete Floor


I am currently preparing a 35000 sq ft concrete area and setting up a go kart track. The concrete previously had glued down commercial carpet. What is the best way to get the adhesive up and get back to the raw concrete?
We are intending to be able to apply vinyl decals to the track.
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Old 01-21-2012, 03:53 PM   #2
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Re: Glue Off Of Concrete Floor


You need to use a glue removal machine. You can rent one. Issue with them is they warm up the glue and it gums up and you still have to manually scrap it.

Or call in a coating removal company and let them diamond grind or shot blast it off.

Stay Away from a lot of solvents as they will penetrate the concrete and affect the installation and possibly void the warranty

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Old 01-21-2012, 04:03 PM   #3
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Re: Glue Off Of Concrete Floor


Thanks! I will look at the equipment
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Old 01-21-2012, 04:44 PM   #4
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Re: Glue Off Of Concrete Floor


It depends on the type of glue that had been used. If the glue is dry, you can use a buffing machine with a sanding disc. If the glue is rubbery, you'll have to scrape it off. Don't use any kind of liquid stripper, it will turn into a soupy mess which will be a handful to take care of.
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Old 01-21-2012, 04:51 PM   #5
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Re: Glue Off Of Concrete Floor


shot blasting is the only choice you got...thats way too big an area to dick around....u maye even have put some ardex after dependant upon surface flooring you are using or achieving
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Old 01-21-2012, 06:51 PM   #6
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Re: Glue Off Of Concrete Floor


the best way is to rent or buy a "scrape away head" for a floor buffer. Its made to remove the glue, no matter how old or gummy it is. It has 3 hardened steel tangs about a inch wide that cuts thru the glue leaving clean concrete, i've used this on hundreds of commercial jobs. the head itself costs about 300, most rental places should have them. before that we used diamond wire lath on a buffer with good results to. The scrape away head cuts thru fast
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Old 01-21-2012, 10:26 PM   #7
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Re: Glue Off Of Concrete Floor


should he rent a 16" buffer for that?
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Old 01-22-2012, 12:19 PM   #8
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Re: Glue Off Of Concrete Floor


yes, its called a "scrapeaway disc" for use with 17" buffers. gundlach makes them, and as i recall there was one for bigger machines. Its been a few years since i used one. The rental places will have the disc and machine that its designed for. Looking them up online, the price went way up on them. Gotta be carefull using one, as i hit a nail with one, sent me flying across the room and broke the shear pin on the buffer. It also removes thinset from concrete.
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Old 01-22-2012, 03:57 PM   #9
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Re: Glue Off Of Concrete Floor


The concrete is already going to be slightly stained from the adhesive. You're not JUST looking to remove the glue. You evidently want to get the slab back to it's original appearance.

The Scrape-Away and heavy grit sanding disks are what we use to clean that glue off well enough so subsequent flooring patch or underlayment will bond without issues.

To CLEAN the slab sufficiently for a "bare concrete" look I believe you need to find a "concrete polishing' contractor.

http://www.concretenetwork.com/concr...ng/levels.html
http://www.polishedconcrete.org/process.html

I saw this machine on the new construction job where the corridors as some of the backroom areas are remaining exposed concrete. It's a specialist company doing the work with many other machines;
http://www.concretenetwork.com/photo...levetec_35964/

For a race track I assume you're not going all out to create the look that Home Depot and Lowes have on their polished floors but to even get it clean enough to pass as bare concrete I'll bet the lowest level of polishing is still going to be necessary.


The Scrape-Away and sanding would surely clean it up enough for the decals. But depending on what you want for the rest of the floor it's probably worth your while to call a few subs out for an estimate.


Last edited by BKM Resilient; 01-22-2012 at 04:12 PM.
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