Tile over pine floors

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mrpumo

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I bought a house a few years ago that was 90% completed and I have been working my way through doing all the finishing work. There are a few quirky things with this house, for example I have pine floors throughout the house that are 4 inches wide and 2 inches thick, including the bathroom. The house is all post and beam and the builder got away without laying a subfloor in the loft by using the 2 inch thick pine floors. This means the master bathroom has a wood floor which is also the ceiling for the room below, crazy eh?
To avoid it raining in the bedroom below each time someone has a bath, I want to put down a tile floor.

If I lay a proper tile floor I’m going to have an inch of transition from the wood to tile.

Any suggestions?

-Jon
 

nealtw

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If that floor is pretty stable you might be able to just put shluter right on the pine and save some height.
 

Jaz

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If that floor is pretty stable you might be able to just put shluter right on the pine and save some height.
No way. :eek:

You can not install Ditra, or any other membrane or concrete backer board over plank flooring. You need a plywood underlayment first. If those 2x4's are perfectly flat you can go with 1/2" B/C exposure 1 ply, otherwise you will need 5/8 or 3/4".

Tile is not gonna make the floor waterproof, although bathroom floors are not usually waterproofed.

Make a wood or marble threshold transition in the doorway.

Jaz
 

mrpumo

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Well I appreciate the reply anyways. I like the idea of the marble transition. So, I think I can get away with 1/2 exp 1 B/C with Ditra which will rise it an inch.
 
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