💫 Waterproof seal with Schluter Kerdi Band 💫 One of the greatest benefits from using a product like Schluter Ditra is that you can fully waterproof the floor along with getting an enhanced bonding method for tile to a wood subfloor. It's important to separate & isolate the expanding & contracting wood from the tile layer. Cement board has been used for decades to do this. Schluter Ditra is simply the upgraded & easier version To fully waterproof, you'll need to address any seams and edges with