Floor heating insulation

Floor insulation

About 50% of heat created by floor heating is absorbed by the concrete slab. When Marmox boards are used, most of the heat is reflected upwards in the tiles which leads to 50% reduction in heat up time and further reduces energy consumption and increases savings on running costs.

 


 


 

 

Fixing to concrete floors

  • The concrete surface must be clean before applying the board
  • New concrete slab should be cured before fixing Marmox insulation boards.
  • Apply a bed of flexible adhesive to the concrete slab with a notched trowel, boards then to be thoroughly bedded in a staggered pattern, ensuring that no voids remain beneath them.
  • When the tile adhesive dry, tape all the joints with the fibreglass tape, then install the heating element, and tile with flexible tile adhesive.
  • Movement joints must not be bridged by the Marmox construction board.

 Fixing timber  floors

  • Timber floors must be rigid, checked for flatness.

  • The floor must be dry. Apply suitable tile adhesive layer with notched trowel. Boards then laid in a staggered pattern, fully bedded to ensure no voids remain under the boards.

  • When the adhesive dries apply fibreglass tape to the joints.

  • Secure the boards with screws and washers. Use 15 screws per board with min. 30 mm from the edge. Then install the heating element and tile using flexible tile adhesive.
 
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