I've just ordered some 18mm marine ply to lay on the top of the existing wooden floorboards in my 1930's house bathroom before I lay the tiles. The problem I've got is the floor height, when tiled it will be raised approx 30mm which I think is too high. I'm sure I read somewhere that I can rip up existing floorboards ,add some extra noggins and fit the plywood onto the joists thus loosing the floorboard thickness, is that correct.
Travertine floor height problem
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B
breezer
dont know about extra noggins (but good idea if secure) why not
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I'd replace the old boards but use a thicker ply with travertine, 22 or 25mm as it needs more support than ceramic/porcelain tiling. But this will depend on your joist spacing, spans and the tile size and thickness to some extent.
Jason
Jason
DIYnot Local
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