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jkbitner416 01-22-2007 11:53 AM

tile on vinyl floor.
Hi. New here-so I hope this works. I am wanting tile in my kitchen/dining room. I have this vinyl floor. My questions is to anyone Can I lay tile over the vinyl floor or do I have to rip it up? It is a concrete slab. (The existing floor is coming up and is great shape-just ugly!)

Thank you.

Joanna in Texas.

KenTheHandyMan 01-22-2007 12:03 PM

If you wanted, you could lay backerboard on top of it, but I would suggest finding some youngsters and giving them $20 to scrape the old floor up.

Laying backerboard will raise the floor up a bit (in addition to the 1/4 inch or so your tile does) which means that you will raise the floor by 1/2 - 3/4 inches in your kitchen.

dougrus 01-22-2007 04:27 PM

You said it was a concrete slab??? Remove the vinyl. Then you need to either float a mudbed which is fairly involved and somewhat difficault or thinset a decoupling membrane like Ditra onto the concrete then thinset the tile to that.

Brik 01-22-2007 04:40 PM

No need to float a mortar bed, use backer, use a membraine or anything else as long as you get up the vinyl and glue. Thats the best way to go and the easiest IMO. Scrape first. If you have any left try warm water. if that doesn't remove the glue then seek out other chemical aproaches. Post back on how its going.

KenTheHandyMan 01-22-2007 05:08 PM

You know, I guess I should pay more attention to these posts. I guess I got stuck on the linoleum part :eek:. I mean, laying backerboard over linoleum is one thing, screwing it into a concrete slab is another!

Peel up the linoleum for sure! All glue residue must come up. Lacquer Thinner usually works pretty good for that (but it is flamable!) I'd probably suggest putting some type of bonding agent on though. If the linoleum was glued directly to the concrete, some glue has leeched into it and I don't know how reliable it would be to tile right on it.

Dougrus, can you use that Ditra stuff on walls? I'm thinking waterproofing here, in a shower for example.

dougrus 01-23-2007 03:20 PM

Hey Ken,

The same company makes a kit for showers. Its called a Kerdi Shower. I have done one of these. Im no pro but I do a lot of tiling and a lot of pros I have encountered on forums love it. This link will tell you all about it. If you go to the home page you can also acess the info on the Ditra.

As for the Ditra, I dont see why you couldnt use it on walls but I think the Kerdi is more specific to wall applications.
If you really are just doing shower surround walls, you could backerboard it and do a liquid membrane like Redguard....that will make the thing water tight!

Hope that helps! :thumbsup:

KenTheHandyMan 01-23-2007 06:46 PM

That is seriously an interesting product Doug. Thanks a lot.

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