Wundatherm Premium Board – Underfloor Heating

Wundatherm Premium+ is suitable for tiling direct – no backerboards or intermediate layers required*, Using Ultra method simply prime the aluminium first, for tile adhesives.

No need to dig up floors, just spray and lay!

Tile direct to board! – Suitable for fitting Tile, Stone*, Laminate & wood direct to boards.

Choice of thick aluminium for Rapid Response®, on demand heating or plain boards

Dimensions: 1200mm x 600mm

16mm boards use 12mm pipe in 80m lengths

20mm boards use 16mm pipe in 100m lengths

Product Information

Download Factsheet

F01P+ Wundatherm Premium+ Factsheet
16mm boards require 12mm pipe in 80m lengths using 120mm pipe spacings 20mm boards require 16mm pipe in 100m lengths using 150mm pipe spacings Approved for Tiling directly onto using our approved methods - without the need for a backerboard*, just prime the aluminium for tile adhesives.
Wundatherm Premium+ Board is made with building grade 400 kPa EPS, the strongest available on the market.  Read our blog on why kPa is important!   Thick Rapid Response Aluminium will give optimum system performance. Wundatherm underfloor heating boards are lightweight, super strong, easy to fit and designed to be fitted over any existing or new floor. No specialist tools are required, they can be simply cut to shape using a fine toothed saw or craft knife. MAPEI, INSTARMAC and NORCROS approved for tiling onto - Using Mapei & Instarmac approved S2 flexible adhesive and primers please Refer to factsheet FO1b. *Natural stone may require a backerboard - please call for details or refer to Factsheet FO1b for specific details. MAPEI & ULTRA approved for tiling Suitable for Laminate, Wood, Carpet Vinyl and even Tiles. Quick to install using Wunda Spray contact adhesive ready for use straight away. 400 kPa - Fully approved by Mapei & Instarmac for tiling onto Using Mapei & Instarmac approved S2 flexible adhesive and primers please Refer to factsheet FO1b.
  • 400 kPa - the strongest EPS board available (Uses 4 times the material of  Low Density, competitors boards)
  • 16mm board uses 120mm pipe spacings with 80m pipe lengths
  • 20mm board uses 150mm pipe spacings with 100m pipe length
  • Mapei & Instarmac approved for tiling directly onto using specified methods as per Wunda factsheet FO1b
  • Easy to cut to shape with basic tools
  • Eliminates the moisture, weight, mess and lengthy drying times of a screed Underfloor system
Laminate and engineered wood can be laid directly on top. Tiles can be fixed to the boards using Mapei or Ultra approved adhesive (available from Wunda) when using Ultra method just prime the aluminium first. If you wish to carpet or lay vinyl on the roll a suitable backer board will need to be laid on the Overfloor boards. The recommended maximum linear loop length for a 16mm board is 60m. The recommended maximum linear loop length for a 20mm board is 100m.

Beware when comparing Overfloor boards - although they may all look similar make sure you check the tech spec to ensure it's the correct strength for your desired finish.

Rapid Response® and maximum heat is only possible with Wundatherm, because it uses Rapid Response, thick aluminium.

  Rapid Response® in all property types. Suitable for all Refurbishments and Renovations.

Please note: Output and system performance is dependent on insulation standards and environmental conditions.

Maximum Pipe Loop Length20mm = 100m, 16mm = 60m
Pipe Spacing20mm = 150mm pipe spacings, 16mm = 120mm pipe spacings
Material400kPa Expanded Polystyrene
Guaranteed for10 years
Profile Height20mm (uses 16mm pipe), 16mm (uses 12mm pipe)
TypePlain Boards (No Aluminium), Rapid Response (With Aluminium)

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