Wundatherm Ultimate – Underfloor Heating Board

From: £10.79 Inc. VAT£8.99 Exc. VAT

Lifetime guarantee included

Low Profile Wundatherm Ultimate is suitable for tiling direct – no backerboards or intermediate layers required, just prime the aluminium for tile adhesives.

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

400 kPa strength – factory fitted with 200 Micron aluminium for Rapid Response® that heats tiles in 20 minutes.

Wundatherm Ultimate is suitable for ALL property including renovations & refurbishments.

Dimensions: 1200mm x 600mm

16mm boards use 12mm pipe in 60m lengths

20mm boards use 16mm pipe in 100m lengths

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Product Prices & Floor Coverings

Prices exc VAT

Overfloor Heating Board

16mm Full Pallet (x210) £8.99 Per Board £1,887.90
20mm Full Pallet (x168) £8.99 Per Board £1,510.32
16mm Half Pallet (x90) £9.49 Per Board £854.10
20mm Half Pallet (x84) £9.49 Per Board £797.16
16mm Box (x12) £9.79 Per Board £117.48
20mm Box (x15) £9.79 Per Board £146.85
16mm/20mm Single £9.99 Per Board £9.99
16mm Profile fits 12mm Pipe | 20mm Profile fits 16mm Pipe

200 Micron Aluminium - Rapid Response®

Marble, Stone & Ceramic Tiles No Intermediate Layer Required
Wood Flooring No Intermediate Layer Required
Laminate No Intermediate Layer Required
Carpet Intermediate Layer Required
Vinyl Intermediate Layer Required
Luxury Vinyl Tile Intermediate Layer Required
200 Micron Aluminium for Rapid Response & 400 kPa Strength

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Product Information

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F01b - EPS OVERFLOOR BOARDS
 
 
Due to recent hot & humid weather conditions, the aluminium covering may become discoloured. This is purely cosmetic and will in no way affect the performance or longevity of the board. 16mm boards require 12mm pipe in 60m lengths using 120mm pipe spacings 20mm boards require 16mm pipe in 100m lengths using 150mm pipe spacings Approved for Tiling directly onto - without the need for a backerboard, just prime the aluminium for tile adhesives.
Wundatherm Ultimate are 400 kPa, the strongest available on the market.  Read our blog on why kPa is important! 200 microns will give optimum system performance, aluminium any thicker than 200 microns offers no performance gain and system performance will plateaux. Wunda's 400 kPa Overfloor 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 approved for tiling directly onto - NO intermediate layers or levelling screed required! 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 directly onto.
  • 400 kPa - the strongest EPS board available (4 times stronger than our Overfloor Budget board)
  • 20mm board uses 120mm pipe spacings with 60m pipe lengths
  • 16mm board uses 150mm pipe spacings with 100m pipe length
  • Mapei & Instarmac approved for tiling directly onto
  • 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 Instarmac  approved adhesive (available from Wunda) just prime the aluminium first. If you wish to carpet or lay vinyl 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 200 micron aluminium

Aluminium thickness in microns Board heat up speed Heat output Under Wood, Laminate or Engineered Heat output Under Carpet
Super Fast 100w/m² 80w/m²
Fast 60w/m² 55w/m²
Slow 40w/m² 35w/m²
A micron is simply a measurement of thickness where 1000 microns is equal to 1mm. 200 Microns gives the best performance with 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 forLifetime
Aluminium Thickness200 Micron Rapid Response® - heats tiles in 20 minutes
Weight1.0kg
Width600mm
Length1200mm
Profile Height20mm (uses 16mm pipe), 16mm (uses 12mm pipe)
Single / Box / Half Pallet / Full PalletSingle (£9.99 each), Box (x12 pcs @ £9.79 each), Box (x15 pcs @ £9.79 each), Half Pallet (x84 pcs @ £9.49 each), Half Pallet (x90 @ £9.49 each), Full Pallet (x168 pcs @ £8.99 each), Full Pallet (x210 pcs @ £8.99 each)

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