I have 2 issues
1. the in floor heating we are putting down natural slate the material is un-gauged & random sized over plywood. The overall thickness could be as much as 1.25 inches in some places which will include the setting material. What is going to be the most effiecient warming system for us to install.
The client wishes it to be done with traditional thinset & sanded grout. Is this wise? Is sludder available this large?

2. The client wishes to have this material installed in the steam room as well, floor & walls. I am a little unsure of this as the material is not very dense and spilts fairly easily. Is it okay to use this type of material in this enviroment or do I have to concern myself with the possibility of it eventually coming apart? The clien