Tile underfloor heating - Fitting underfloor heating with tiles explained

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Tile underfloor heating using the AHT Ribbon

tile underfloor heating is very easy to do and does not increase your floor heights dramatically, see below for layout.

1 Tile or Stone (5 - 18mm)
2 Flexible Tile Adhesive (8mm)
3 Ribbon Underfloor Heating (2mm)
4 Easy-Heat insulation (10 - 50mm)
5 Flexible Tile Adhesive (3mm)
6 Concrete / Wood Subfloor

Layers under tiles

underfloor heating layers under a tile floor

Floor Preparation.

When installing tile underfloor heating there is very little floor preparation needed, it is important that the subfloor is flat, smooth and dry (Latex level compound may be needed). When the floor is flat ensure that it is free from dust and debris.

Installation Steps

  • Dry lay your Easy-Heat insulation (cut to shape with a stanley knife)
  • Once you are happy that all the boards will fit, remove the boards remembering where they will go.
  • mix your Flexible tile adhesive and spread over your subfloor (3mm notch trowel) and replace the Easy heat insulation applying a bit of preasure to ensure it bonds.
  • Allow the flexible tile adhesive to set, if using rapid set flexible adhesive you should be able to walk on the insulation within 2 hours.
  • Lay down your ribbon heating mats using the double sided tape on each end of the heating mats.
  • Where required use allbrite's high adhesive tape to secure the edges.
  • Route the cold leads (live & neutral) to a junction box just above skirting board level
  • Check the resistance of the heating elements matches with the resistance chart in installation manual
  • Connect the cold leads using the revolutionary 5 lever quick connectors
  • Using a 10mm notch trowel spread an even bed of flexible adhesive and lay your tiles, slate or stone.
  • See Electrical section for setting up electrics, if installing in a wet area please see grounding kits.
  • Sit back and enjoy.

Special Notes:

While underfloor heating is in operation it is important that no thermal barriers are placed over the top of the heating elements, thermal barriers include boxes of books or paper, bean bags, heavy rugs, large quantities of bedding or high tog quilts. If you are unsure as to what can be placed over the underfloor heating please contact your vendor.

Please remember heating mats cannot be cut, bent or overlapped, please see sizing chart and planning for full details.

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