We have joined two rooms by taking down a block wall and are preparing to lay nomoreply over the whole space prior to tiling. For most of the length of the transistion the two floors are level with each other, but at one end there is a section approx 3ft long where the boards on one side (the right hand side in the pictures) kick up slightly and there is a noticeable gap under the spirit level. I have tried a board over this - it seems well supported, but there is a slight crowning. How best to deal with this?
