Installing Tile Floor in Laundry Room

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Old 07-25-08, 02:57 PM
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Installing Tile Floor in Laundry Room

I plan to install a porcelain tile floor in an 8' x 10' laundry area. The kitchen will have 3/4 solid wood floor that I will need to transition to the tile. First question is how do I transition the wood to the tile?

The laundry area has 2x8 floor joists 16" OC covered with 3/4" CDX for the sub floor. Next question is what do I put on top of the sub floor? Do I just screw down a 1/2" cement backer and then lay the tile on top of that?
 
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Old 07-25-08, 03:29 PM
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I would install a 1/2" layer of exterior grade AC/BC ply, then a 1/4" cement backerboard, but this may raise your tile floor slightly above the hardwood. If so, then I would nix the 1/2", ply, and you could use 1/4" cement board, or 1/2" cement board.

You need a cement backer board, like Hardiebacker, or other isolation membrain, like Schluters Ditra. The CBU (cement board) needs to be installed in a bed of thinset AND screwed.
 
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Old 07-25-08, 05:35 PM
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Are you certain the subfloor is CDX? Before you go further, let's make sure your joists are not over spanned. Let us know the type, size, and unsupported span of those 2x8 joists. Try to read their grade and species too. How does the floor feel?

Assuming all is OK, and you must have a flush transition, I recommend either 1/4" tile backer board or the new Ditra XL. Both will give you a smooth transition to 3/4" hardwood.

Jaz
 
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Old 08-14-09, 10:35 PM
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It's been a while, but I've finally tiled the room. I left about a 1/4" space between the tiles in threshold and the hardwood floor transition strip. What should I do to fill the space? I was thinking of buying some caulk that matches the color of the grout and use that.
 
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Old 08-15-09, 07:24 AM
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Can you take a picture of this area?

The transition strip should cover the gap between the tile and wood floor.

However, you can use a color matching caulk for this area.
 
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Old 08-18-09, 01:14 AM
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Here is a pic of the transition:

http://yatesconstruction.shutterfly.com/27
 
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Old 08-18-09, 10:43 AM
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It's hard to tell from that angle, but the tile should go under that transition. Kind of late for that now unless you get a wider strip.
 
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