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Laying tile over Carpet glue
Posted on 7/27/19 at 10:03 pm
Posted on 7/27/19 at 10:03 pm
I have a covered patio that had this ugly green carpet that I ripped up. The yellow glue is still there. Is it possible to still lay down tile over this without scraping it up?
Posted on 7/27/19 at 10:11 pm to TulaneUVA
I'd be leery of doing that from personal experience. I had vinyl tile in my man cave that I laid in the late 90's and used glue to put it down to the slab.
Well, Katrina threw almost 5 ft. of water in my ground floor and enough of the tiles came loose to warrant me ripping them all out.
I scraped as much of the old glue as I could with scrapers and decided to put down ceramic tile, used good thinset, laid the tiles, grouted and all was great-----for about 2 years then the tiles started letting loose and when I popped them up I noticed the thinset had a lot of the glue on the bottom surface, but was stuck very well to the tiles themselves.
You may need to get a concrete sander machine from a rental place to prep the slab properly.
Perhaps a good flooring specialist will see your post and respond. This is just my $.02 worth.
Well, Katrina threw almost 5 ft. of water in my ground floor and enough of the tiles came loose to warrant me ripping them all out.
I scraped as much of the old glue as I could with scrapers and decided to put down ceramic tile, used good thinset, laid the tiles, grouted and all was great-----for about 2 years then the tiles started letting loose and when I popped them up I noticed the thinset had a lot of the glue on the bottom surface, but was stuck very well to the tiles themselves.
You may need to get a concrete sander machine from a rental place to prep the slab properly.
Perhaps a good flooring specialist will see your post and respond. This is just my $.02 worth.
Posted on 7/27/19 at 10:40 pm to TulaneUVA
From what I know about that kinda thing is that you should have a good prepped surface.. so yeah, scrape it up.
You can probably find a chemical to put on it and break it down so it comes up easier.
You can probably find a chemical to put on it and break it down so it comes up easier.
This post was edited on 7/27/19 at 10:45 pm
Posted on 7/27/19 at 10:43 pm to TulaneUVA
From google.
quote:
The key to tile floor installations is proper subfloor cleaning; any contaminants on the subfloor can ruin the way the adhesivebonds, leaving your tile floor bumpy and unsafe. Tile cannot be installed over carpet, and all adhesive from the carpet must be removed before you can begin tiling
quote:
How to Lay Tile Over a Concrete Floor That Has Glue Residue From...
Use a long-handled scraper—like the kind made to remove ice—to get as much of the old adhesive off the floor as you can.
Apply a soy-based adhesive remover to any glue that is still clinging to the concrete. ...
Dry the floor completely with shop cloths or towels.
Posted on 7/28/19 at 12:09 am to TulaneUVA
Without scrapping you are going to run into problems. I had something similar with cutback adhesive.
You need to go to harbor freight or Amazon and get scraper. It took me about two days using a long handled scraper and some water. Then use a modified adhesive like versabond available at HD.
Be careful with adhesive removers sometimes the oil base can keep the thinset from adhering.
You want to scrape until there is just a shade of residue left.
You need to go to harbor freight or Amazon and get scraper. It took me about two days using a long handled scraper and some water. Then use a modified adhesive like versabond available at HD.
Be careful with adhesive removers sometimes the oil base can keep the thinset from adhering.
You want to scrape until there is just a shade of residue left.
Posted on 7/28/19 at 12:45 am to TulaneUVA
Try using a glue remover and big scraper. Last time I did it, I used aircraft stripper because that's what I had. It worked, but it's pretty toxic and will definitely burn you (I've done it multiple times). You're probably gonna have to etch or scratch the concrete surface to get good adhesion when laying tile after cleaning the glue up
Posted on 7/28/19 at 1:34 am to TulaneUVA
Go rent a walk-behind sander and it will be a short job.
make sure you clean it off well afterwords
I would also recommend throwing a bit of citric acid or vinegar down for a acid wash prior to applying thinset, but I only like doing things once.
make sure you clean it off well afterwords
I would also recommend throwing a bit of citric acid or vinegar down for a acid wash prior to applying thinset, but I only like doing things once.
Posted on 7/28/19 at 6:48 am to TulaneUVA
No, the thinset will not stick.
Posted on 7/28/19 at 6:50 am to cave canem
The glue won't clog up the sandpaper?
Posted on 7/28/19 at 7:18 am to TulaneUVA
Better test that mastic for Asbestos.
Posted on 7/28/19 at 12:15 pm to TulaneUVA
Pour a self leveling resurfacer over it and walk away your time is worth what that stuff costs it’s not cheap but it will give you a flat surface quickly
Posted on 7/28/19 at 3:01 pm to TulaneUVA
Gotta scrape it, unfortunately. Just did this a couple weeks ago.
This post was edited on 7/28/19 at 3:01 pm
Posted on 7/28/19 at 6:39 pm to Cracker
Cracker, never used self leveling concrete before. Do you think you could pour over the adhesive and then stain? Is it difficult to do for someone who’s never done it? I’m decently handy but not a ton of experience with concrete other then fence posts
This post was edited on 7/28/19 at 6:40 pm
Posted on 7/29/19 at 12:23 am to Cracker
quote:
Pour a self leveling resurfacer over it and walk away your time is worth what that stuff costs it’s not cheap but it will give you a flat surface quickly
Depends on if you want to do this once or dont mind the practice because by about the 11th application you may have removed enough glue for it to hold, the adhesive has to be removed for self leveling to bond as well.
There are a few manufacturers that claim their product will bond with the adhesive but this is an outside project with lots of thermal expansion and contraction between what will be three layers of material at different rates.
Simply put if you want this to last long term and not look like a LA highway in 18 months get the glue up.
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