Only approved boards are suitable for use with underfloor heating cable and cable mats.
Approved Boards: Ecomax, Marmox, Aquapanel, Celotex or Wedi board
Please Note: Depron is not suitable for use with cable or cable mat
The properties of
Depron would allow the heating element to sink in to it
causing local overheating; leading to failure.
Ecofilm is a flat sheet product therefore making sinking in impossible.