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nothandy8

11:13AM | 03/12/03
Member Since: 03/11/03
5 lifetime posts
Bvflooring
I want to install ceramic tile and a friend told me I can install it directly on the vinyl. Under the vinyl is a 3/8" wood backer, and 2 or 3 additional layers of vinyl totaling almost an 1". Does this make sense or do I need a new backer for the ceramic?

carpetman

07:27PM | 03/12/03
Member Since: 01/26/03
549 lifetime posts
the best possible way is to tear out all the layers down to your plywood subfloor,and then nail and glue a cement type backerboard. use thin set to stick the the tile to the backerboard. the 3/8 underlayment (if you live on the west coast) is particle board ,if this gets wet(dishwasher leak,refer leak) it could swellup and take your new tile floor with it. i have seen lots of jobs that have a backerboard down on top of all the old floors,with out a problem. however no way would i install directly on the vinyl. one other thing if you add a layer of backerboard, adhesive and tile to the existing floor its going to get pretty thick. good luck

nothandy8

06:01AM | 03/13/03
Member Since: 03/11/03
5 lifetime posts
Thanks carpetman, I think I'd be best in removing down to the subbase so I don't have to redo it in 2 months.

nothandy8

06:32AM | 03/13/03
Member Since: 03/11/03
5 lifetime posts
Another question. If I rip everything down to the subbase and put say 1/2" plywood and then a cementboard/hardibacker layer, do I just glue down the cementboard/hardibacker layer with liquid nails or can it be screwed down as well?

carpetman

07:25AM | 03/13/03
Member Since: 01/26/03
549 lifetime posts
pull up everything down to the subfloor.check how thick your subfloor is,it needs to be about 3/4" plywood or better. if it's less than 3/4" add another of plywood to bring it up. now add your backerboard,glued and screwed.you can use thinset or ceramic tile mastic to glue down the board,(use thin set on the tile) use coated backerboard screws.any brand of backerboard will do,but i like 1/4" hardiboard best. good luck

nothandy8

03:58PM | 03/13/03
Member Since: 03/11/03
5 lifetime posts
Is it possible to only remove the 1st layer of lenoleum with the luan exposed and lay the backerboard directly onto this or will the glue from the backerboard soak into the luan and cause it to deform? If I can do this it would save me a lot of trouble because I already set my cabinets over the other layers of lenoleum and would not have to cut around them to get it out. What type of compound would work best to attach the backerboard to the luan? Thanks again.

carpetman

08:44PM | 03/14/03
Member Since: 01/26/03
549 lifetime posts
i still think it best to get down to your subfloor,use your saw to get close to the cabinets,then score the vinyl with a utility knife at the cabinet line,use your crow bar to snap everything at the cabinet line ,then clean up the edge with a chisel.
ceramic tile mastic will not change the luan,but you need to screw or nail the backerboard also. good luck

Rehab2003

01:28PM | 06/10/03
Member Since: 05/17/03
3 lifetime posts
I have a related problem:

I just had my handyman put a new subfoor in my bathroom. 3/4" plywood and then the cement board. I'm putting in a heated floor element and probably ceramic tile.

The problem is when I step on an area the is a "creak" as if the floor is moving or the plywood is sliding against a nail or something. Although I don't really feel it move.

I don't recall him using any adhesive between the plywood and backer board. Now what should I do?

My handyman seems to think it will be stable once the electric heat element is set in a layer of "cement" and then the tile.

Thanks, I obviously need qualified help.

carpetman

03:52PM | 06/10/03
Member Since: 01/26/03
549 lifetime posts
if the floor is squeeking,the problem may be, not enough screws ( it takes one screw,every 6 inches,every direction)if your situation is backerboard on top of plywood,then run some extra coated screws tru both in to the sub floor. good luck

carpetman

03:55PM | 06/10/03
Member Since: 01/26/03
549 lifetime posts
just re-read your post make sure you hit the joists with some of those screws
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