Designing Kitchens and Bathrooms - Quick question on tile!
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Biff98
10-06-07, 10:38 AM
Hi there,
I just pulled up some linoleum floor near my entry way (I know it's not a kitchen or bath, but my question is very similar to threads that involve said rooms), and saw there is some sort of backerboard already down. Screws about every 5-6 inches.
Question is, can I leave that backerboard down, and install my tile on that? There appears to be some adhesive they used on the linoleum, but it looks like it wasn't much and it was only put around the border of it. It came up really easily.
Thanks for you thoughts!
-Steve
I just pulled up some linoleum floor near my entry way (I know it's not a kitchen or bath, but my question is very similar to threads that involve said rooms), and saw there is some sort of backerboard already down. Screws about every 5-6 inches.
Question is, can I leave that backerboard down, and install my tile on that? There appears to be some adhesive they used on the linoleum, but it looks like it wasn't much and it was only put around the border of it. It came up really easily.
Thanks for you thoughts!
-Steve
HotinOKC
10-06-07, 10:49 AM
I doubt they put down CBU (cement backerboard) for linoleum.
Tile requires a very stiff subfloor. You will want at least 5/8" of exterior grade plywood and then a CBU or Ditra underlayment.
How thick is your subfloor now? Do you have access to underneath the floor to measure your joist span and spacing?
Tile requires a very stiff subfloor. You will want at least 5/8" of exterior grade plywood and then a CBU or Ditra underlayment.
How thick is your subfloor now? Do you have access to underneath the floor to measure your joist span and spacing?
Biff98
10-06-07, 11:17 AM
Hi there,
The joists are roughtly 16" apart. Subfloor is 3/4".
The "backer board" that is down now is 3/8" exactly (don't know if 3/8" backerboard really measures 3/8" or not! Like "2x4").
On second look, the backerboard is just stapled down, however it has black circle marks on it that seem to denote where it should be screwed. Is there a "litmus" test for determining this stuff is CBC or not?
The joists are roughtly 16" apart. Subfloor is 3/4".
The "backer board" that is down now is 3/8" exactly (don't know if 3/8" backerboard really measures 3/8" or not! Like "2x4").
On second look, the backerboard is just stapled down, however it has black circle marks on it that seem to denote where it should be screwed. Is there a "litmus" test for determining this stuff is CBC or not?
quickcurrent
10-06-07, 08:42 PM
Break off a piece, if it's concrete it's good.
I recently did the floor in my laundry room with 3/8" concrete board, mesh and thinset, let that dry and set tiles on it. I did it this way to match an adjoining tiled floor level on the recommendation of a Home Depot "expert". It's strong as can be. The only thing I'd do differently now is I'd waterproof the floor before setting the tiles using liquid rubber.
I recently did the floor in my laundry room with 3/8" concrete board, mesh and thinset, let that dry and set tiles on it. I did it this way to match an adjoining tiled floor level on the recommendation of a Home Depot "expert". It's strong as can be. The only thing I'd do differently now is I'd waterproof the floor before setting the tiles using liquid rubber.