Use a premade kit for this type of project.
Wall insulation board 10mm.
Attach the tongue and groove insulation boards to the concrete wall with adhesive.
For use with underfloor heating prevents heat loss and saves energy 1250x600mm size waterproof suitable for walls and floors water resistant insulated tile backer board which reflects heat upwards into the tile the use of this board is vital when installing warmup system onto concrete floors board size.
It can also be used for insulation and dry lining for solid walls in other rooms in your house.
Weight bearing and adherence.
Kooltherm k108 cavity board.
Tile backer board is compatible with slate marble and stone tiles as well as underfloor heating.
Correctly fixed tile backer boards are able to hold substantially more weight than other traditional wall.
Phenolic insulation with a low emissibity composite foil facer on one side and a water tight vapour open polypropylene fleece on the other.
Follow with a 2x4 frame wall and insulate it with batt insulation.
Phenolic insulationwith low emissivity composite foil facers.
10mm marmox multiboard waterproof insulation board is a multifunctional board made from closed cellular structure rigid xps foam with a polymer concrete coating on both sides reinforced with a fibreglass mesh encased by carbon nano fibres.
It can be used in applications requiring transfer of small mechanical loads.
Kooltherm k106 cavity board.