Tile over vinyl?

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Old 10-16-08, 07:45 AM
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Tile over vinyl?

I currently have vinyl plank installed and want to replace it with tile. I tried to remove some of the existing vinyl and it is glued so tight that I tear the plank before it comes up. My question is can in install Hardie board directly over the vinyl and then the tile? The Hardie web site says it can be done but not recommended. No reason was given. Any experiences with this type install would be appreciated. My house is raised and I have floor trusses on 16 centers.
 
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Old 10-16-08, 09:36 AM
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I currently have vinyl plank installed and want to replace it with tile.
Is this a peel and stick type product? Whats under the vinyl?

My question is can in install Hardie board directly over the vinyl and then the tile?
You cant install hardi or any cement board directly over vinyl.

I tried to remove some of the existing vinyl and it is glued so tight that I tear the plank before it comes up.
Try using a heat gun.
 
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Old 10-16-08, 01:31 PM
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Thanks Johnny.
Vinyl is over 3/4" Avantech engineered T&G and the vinyl product is from Metro put down with there special contact glue.

When I say directly over vinyl I mean using approved thinset for vinyl. the Hardie web site says you can but it is not recommended without giving a reason.

Seems to me that if the vinyl is properly glued and you screw the hardie down it would be OK. But then I am not a tile guy.
 
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Old 10-16-08, 04:36 PM
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Vinyl = movement

Movement = cracked tile and grout.
 
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Old 10-16-08, 04:41 PM
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^^ What he said................
 
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Old 10-17-08, 03:06 PM
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OK, I get it. It must cvome up. How do I remove the adhesive so that thinset will stick to floor. Please do not tell me I need to put down underlayment and then the hardie board? Any adhesive removers that would work? Thanks.
 
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Old 10-17-08, 05:13 PM
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You should NOT tile directly over wood.

Get a floor scraper from a big box store to get the adhesive.

After the adhesive is up, you will need to install a cement board in a bed of thinset and screw it down. Then you would tape the board seams and tile.

They make chemicals to remove adhesives, but these chemicals will create a bonding issue with the thinset.

What are the size of your floor joists, spacing and unsupported span?

What type of tile are you installing?
 
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Old 10-18-08, 07:11 AM
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Was not planning to lay directly to subfloor that is why I mentioned thinset and hardie board.
Floor joist are 16" trusses on 16" centers spanning 15'. I was told by the truss engineer that they could be put on 19.2 centers but I elected to put them on 16". Tile is 18x18 porcelain.
I have 2300 sq ft to remove and was hoping for a remover that was compatable with thinset.
 
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