Underfloor heating overlay board in comparison

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Last updated on 04.09.2026

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Nassboards XPS Boards Floor Underlay Thermal Insulation Underfloor Heating - 25 x 6mm (18m2)

Nassboards

free shipping

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9,9

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Insulation Board Foam XPS Underfloor Heating Thermal Acoustic 6mm 10mm 20mm 1200x600mm (20mm)

Cosyspace

free shipping

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9,8

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Thermopanel Lite Single Sided Floor Tile Backer Board Insulation - Waterproof Insulated Thermal Barrier for Underfloor Heating Plasterboard Walls Sheet Wood Floors and Tiles, (1250mm x 600mm)

Thermopanel

free shipping

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9,8

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Tile Backer Boards 6mm / 6.48m2-1200 x 600mm, Waterproof Insulation for Underfloor Heating (9 Boards)

Living Heat

free shipping

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9,7

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20mm Overlay Water Underfloor Heating XPS Grooved Cement Coated Panel for 16/15mm Underfloor Heating Pipe 150mm Spacing (Min Order 50 Boards)

Underfloor Heating Express

free shipping

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9,6

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Nassboards XPS Boards Floor Underlay Thermal Insulation Underfloor Heating - 20 x 6mm (14.4m2)

Nassboards

free shipping

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9,6

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Underfloor Heating Insulation Boards – 38mm Premium Castellated 145 × 85 cm (14–17mm Pipes) EPS Foam Board / Polystyrene Sheet Pipe Fixing Panel – Thermal Insulation for Wet (Water-Based) Systems

NOVECRAFTO

free shipping

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9,5

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5X Tile Backer Board Insulation XPS Foam Waterproof Cement Coat 1200x600mm Underfloor Heating Underlay (1200x600x6mm)

B2C

free shipping

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9,5

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XPS Grooved Insulation Board Water Underfloor Heating 1200x600x25mm Thermal Floor Panel

Cosyspace

free shipping

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9,4

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Retrofix XPS Transition Board Panel for 12mm Pipe - Underfloor Heating 1200 x 600 x 18mm

Retrofix

free shipping

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9,4

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Underfloor Heating Insulation Boards

FloorWarmingCompany

£ 19.80 free shipping

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EverHeat Tile Backer Board for Floors – Waterproof Substrate for Tiling & Underfloor Heating in Bathrooms, Kitchens & Wet Rooms, Compatible with Electric Floor Heating 12.5mm

Stable Tile Substrate: Prevents floor movement and eliminates tile cracking risk

£ 11.29 free shipping

To the product (1 offer)

XPS Underfloor Heating Insulation - 6mm, 6 Boards, 2.22m/2

Living Heat

£ 17.99 free shipping

To the product (1 offer)

Insulation Electrical Board Bakelite Phenolic Board Sheet Laminate Raw Materials for Laboratory and DIY 500mmx300mm(4mm)

[Dimension](W x L )300mm x 500mm / 11.8" x 19.7" ,(Size can be customized).Thickness ranging from 3mm to 30mm for you to choose from.

£ 25.71 free shipping

To the product (1 offer)

Nassboards XPS Boards Floor Underlay Thermal Insulation Underfloor Heating - 19 x 6mm (13.6m2)

Nassboards

£ 85.81 free shipping

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5X Tile Backer Board Insulation XPS Foam Waterproof Cement Coat 1200x600mm Underfloor Heating Underlay (1200x600x20mm)

B2C

£ 78.70 free shipping

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Tile Backer Board - 1200x600mm - 6mm 10mm 20mm - Waterproof Wetroom Bathroom Kitchen Thermal Insulation Underfloor Heating (Thickness 6mm)

Cosyspace

£ 10.95 free shipping

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XPS Insulation Board 1200 x 600 x 10mm Thermal Underfloor Heating Panel for Concrete & Screeded Floors

XPS insulation board designed for electric underfloor heating systems on concrete and screeded floors

£ 11.89 free shipping

To the product (1 offer)

Tile Backer Boards 10mm / 6.48m2-1200 x 600mm, Waterproof Insulation for Underfloor Heating (9 Boards)

Living Heat

£ 94.99 free shipping

To the product (1 offer)

Nassboards XPS Boards Floor Underlay Thermal Insulation Underfloor Heating - 21 x 10mm (15.1m2)

Nassboards

£ 114.79 free shipping

To the product (1 offer)

EkoBoard 20mm XPS Boards Floor Underlay Thermal Insulation Underfloor Heating (1200 x 600mm) (5 Pack), Blue

EkoBoard

£ 44.95 free shipping

To the product (1 offer)

Tile Backer Board 6MM / 10MM / 12MM - Floor OR WALL Rigid Hard Insulation UNDERFLOOR Heating Cement Tile Backer Board 1200MM X 600MM (6MM Pack of 5 Boards)

THISISWHOLESALE

£ 63.99 free shipping

To the product (1 offer)

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