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Unread 04-18-2004, 01:24 PM   #1
I am Denise
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Question Bathroom floor tile over old tile

Hello, all. Long time reader, first time poster! We are laying new 12" tiles in a small bathroom. This is not our first tile job, but we consider ourselves amateurs nonetheless

What we have is a 1960's house. The bathroom floor is solid-as-a-rock 1" mosaic tiles on slab. There was a layer of linoleum which we've removed and we're planning on laying the new 12" tiles on the existing mosaics. Most of the mosaics still have the original glaze to them. We attempted to rough up the surface using two different methods -- 60 grit sandpaper and also aluminum oxide 36 grit sanding disc. The mosaic still has a glaze.

Is it safe to tile over this? I've done a search, and haven't found this exact question. Thanks for your help.
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Unread 04-18-2004, 01:53 PM   #2
Davidstone
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Ilike to use a grinding stone for a quick scuffing, but you should be alright with modified thinset and good troweling.
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Unread 04-18-2004, 02:00 PM   #3
Davy
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For going over old tile I like flexbond from Home Depot, made by Customs.
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Unread 04-18-2004, 02:50 PM   #4
flatfloor
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Hi, your name wouldn't be Denise would it?

What the other guys said, you're good to go.
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Unread 04-18-2004, 04:18 PM   #5
John Bridge
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Welcome, Denise. I agree with the others.
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Unread 04-18-2004, 04:45 PM   #6
I am Denise
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Cool

Thanks for the welcome and speedy replies

I should warn you, we have 3 bathrooms -- all in remodel phase to some degree. So I'll be back with more questions!!
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Unread 04-18-2004, 04:48 PM   #7
Mike2
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And we'll be right here to help you the best we can Denise. But I have to say, if I lived in beautiful San Diego right now I'd be outside enjoying your great weather, not inside playing with mud and stuff.
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Unread 04-18-2004, 04:54 PM   #8
John Bridge
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You, too, could live in San Diego, Mike. Move out from under the cloud bank.

Where are you Denise? In a previous life I lived in La Mesa. Built a spec house out on Dictionary Hill.
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Unread 04-18-2004, 05:00 PM   #9
I am Denise
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I am Denise

Okay, to anyone who wants a free trip to San Diego, I will pay your airfare if you do my tile work

John, we had a house in La Mesa, north of interstate 8 but still not that far from Dictionary Hill. We bought and sold in Rancho Penasquitos and now we are in Escondido.
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