I'm having my hallway tiled. It's currently polished floorboards and I've ordered a product called DITRA matting which cushions any small movement in the wooden floor once the tiles are laid.
Given that I want to install underfloor heating, can I lay the insulation boards directly on the DITRA matting - the DITRA matting is attached to the floor with special adhesive. I guess I would put a layer of adhesive over the DITRA matting and then attach the insulation boards, tape the seams, then lay the underfloor heating matting then attach the tile adhesive followed by the tile.
Am I missing anything, or getting anything wrong here?
Also, which grout should I use on the floor tiles. The tiles are 120X60 and a very light tile and I really don't want the grout to turn black over time. I recall reading some where that there are silicone grouts that remain their original colour - any thought?
Any feedback gratefully received.