painted concrete floor to be covered with ceramic tile

12-16-2011, 07:07 PM	#1
reseigh Newbie   Join Date: Dec 2011 Posts: 1	painted concrete floor to be covered with ceramic tile I have a30 year old painted concrete basement floor , I want to install ceramic tile , how much of the paint do I need to remove to ensure the bond is good with the thin set ? or are the alternatives ? The floor is flat ,dry and no cracks . Any suggestions ? aussie chris in Va

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12-16-2011, 11:59 PM	#2
JazMan Tileguy     Join Date: Feb 2007 Location: Troy, Michigan Posts: 3,265	painted concrete floor to be covered with ceramic tile I would like to see 100% concrete, I'd settle for 85%. Jaz __________________ Tile 4 You LLC Troy, MI KERDI Shower Specialist ... DITRA Installs ... Product-Method suitability consultation. I have NEVER made a mistake, I thought I did once...........but I was wrong! - PRODUCTS ADVERTISED WITHIN MY POST ARE NOT ENDORSED BY ME!

12-17-2011, 06:06 AM	#3
oh'mike Super Moderator   Join Date: Sep 2009 Location: Kane county,Illinois Posts: 16,335	painted concrete floor to be covered with ceramic tile Rent a floor buffer with carborundum stones---any chemical stripper will soak into the concrete and may cause bonding failure. __________________ New members: Adding your location to your profile helps in many ways.--M--

12-17-2011, 12:40 PM	#4
Bud Cline Tileguy     Join Date: Mar 2006 Posts: 9,104	painted concrete floor to be covered with ceramic tile Paint is recognized as a major bond-breaker when it comes to installing ceramic tile on top of it so it is recommended that it be removed totally. This should be done mechanically as chemical removal is also discouraged. Shot-blast, sand-blast, grind, etc.