Hi Steve, thanks for your reply and that makes sense, I will speak to their technical support again and see what they think. It's a first floor flat with wood joists so plywood seemed the best option
Hi,
I'm refurbishing my bathroom and looking to install underfloor heating under tiles for the floor. I have removed the old subfloor and planned to install 18mm plywood then 6mm jackoboard then Ditra Heat Duo mat with the loose lay cable before tiling. I have purchased all the materials but...
