Can you tile directly on floorboards?

Question

I want to tile the bathroom floor but it's currently floorboards. Do you need to lay a board over the top first, or can tiles go straight onto the floorboards?

Steve · Answer

No, you can't lay tiles straight onto floorboards or any wood floor. A backer board/cement board or a decoupling membrane will need to be laid first so that the wood can naturally expand and contract without disturbing the tiles

Terry · Answer

No you can not tile over floor boards you will have to concrete board it first

Ash · Answer

Hi there,

I would advise against not only, for ruining your floorboards, but all that will happen is your tiles will crack. You need cement or baseboard down and flexible tile adhesive on the floor

Chris · Answer

In short, no. You should never tile direct on to floorboards. 
If the entire floor is solid and sturdy then an uncoupling membrane is suitable and can then be tiled over. If the floor has movement then an uncoupling membrane won't prevent the tiles/grout from cracking. There are several types of cement board in a variety of thicknesses that are better suited. These can then be tiled over.

Stephen · Answer

I wouldn't if I were you. They probably have movement in the floor boards. Best practice is to lay tile backer board. Then draw grid lines at 90" every 150mm. Where the lines cross put a screw and washer in. Backer board manufacturers usually supply them. Set your torque on your drill so the washers push into the board. Finally, I would use a flexible adhesive and grout. A lot of people use Hardibacker boards. Personally I don't.  The boards are resistant to water damage. But they ARE NOT waterproof.  If water ever got on to them it would go straight through. Whereas the lighter boards with cementicious layer back and front ARE generally waterproof.  Hope this helps.

Can you tile directly on floorboards?

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