Hi, I have just completed tiling the walls in my wetroom and am having difficulty in choosing the best grout to use. I want a grey grout and have been using bal supercover rapidflex adhesive. There is no power shower, just a drop from the ceiling from a combi boiler but I want to make sure it is as waterproof as possible and one wall is a partition so a bit of flex would be beneficial. joints are mainly 2 mm but there are a few places in the corners up to 6 mm. Any help in choosing would be greatly appreciated.
Thank you
Jamie

Hello jamie and welcome..

Wetroom...have you tanked the walls and floor..?..

yep, all tanked up with WP1 system. Be a bit late if I hadnt seeing as the question was about grouting.

Just checking..you will surprised at how many think the grout waterproofs it..

If you fully want a waterproof grout then you will need epoxy but i think a good anti bacterial grout will be fine..