Tile Over Beadboard . Beautiful black and white bathrooms. How to install beadboard panel over tile step 1. goodbye old tile...beadboard over tile Bathrooms Pinterest Diy from www.pinterest.com The installation of these was a bit tricky with the tile behind the beadboard. Here are a few tips to help you refresh your space. But i've also seen folks paint a crack isolation membrane material over wood and then install the tile with a mastic or latex modified thinset.