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Should I Remove Glue Behind Plastic Tile

Posted by Chell456 (My Page) on
Tue, Jan 14, 14 at 22:13


I need to replace an existing kitchen backsplash consisting of plastic tiles. These tiles are kindof like upside down square cup saucers - the middle underneath is higher than edges. While the tiles seem to pop off fairly easily they leave a smooth bump of adhesive on the walls. I'd like to replace the existing tiles with real tiles.

The existing walls are lath and plaster and fairly smooth.

So my question is, do I have to remove the old adhesive? Or can I apply something to level out the surface, apply new mastic/thinset/adhesive, and then attach the new tile? (I would use a bullnose or something similar to finish the top edge.)

If I need to remove the adhesive what would you recommend to do the job? A heat gun and scraper? Remove the old plaster and redo that portion of the wall?

Thank you for the assistance....


Follow-Up Postings:

RE: Should I Remove Glue Behind Plastic Tile

Best to remove the high spots. Try to scrape/chip it off with a 5-in-1 painter's tool and a hammer. Then patch it or just retile over that.

This post was edited by homebound on Wed, Jan 15, 14 at 8:53

RE: Should I Remove Glue Behind Plastic Tile

Thanks much homebound for your response.


RE: Should I Remove Glue Behind Plastic Tile

If you have trouble removing the high spots it will probably be easier to cut out that section and and put up fresh plaster or use drywall. I tore down drywall and replaced it when I was trying to replace wallpaper because it turned out to be cheaper and faster than trying to strip it off. Also that way you have a nice smooth surface to work with.

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