Floor insulation boards in comparison
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Last updated on 04.10.2026
1
XPS Foam Underlay 5mm Thickness for Wood and Laminate Flooring/Insulation/Boards for High Sound & Thermal Insulation (1 Pack (9.79m2 Coverage))
FloorPro
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9,9
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2
PIR Insulation Board 25mm - 400mm x 1200mm for use in Roofs, Walls and Floors (12)
Generic
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9,8
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3
Triplast Expanded Polystyrene Foam Sheets EPS 70 (12 Sheets, 1200 x 600 x 25mm Each) - BBA Certified Wall & Floor Insulation Board - Box Lining & Packaging Foam Board - White Blocks for DIY Projects
Triplast
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9,6
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4
Nassboards XPS Boards Floor Underlay Thermal Insulation Underfloor Heating - 9 x 6mm (6.5m2)
Nassboards
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9,6
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5
BLOSTM Foil Insulation Roll 1m x 10m - Radiator Reflector Panels
BLOSTM
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9,6
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6
Tile Backer Board 6MM / 10MM / 12MM - Floor OR WALL Rigid Hard Insulation UNDERFLOOR Heating Cement Tile Backer Board 1200MM X 600MM (6MM Pack of 10 Boards)
THISISWHOLESALE
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9,5
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7
Thermopanel 6mm Lite Single Sided Floor Tile Backer Board Insulation - Waterproof Insulated Thermal Barrier for Underfloor Heating (1250mm x 600mm) - Pack of 10
Thermopanel
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9,3
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8
ProWarm 6mm Insulation Boards - ProFoam 14 Pack (10m2)
ProWarm
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9,2
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9
The Stove Wizard Foil Insulation 25m x 60cm Roll Radiator Reflector | Radiator reflector & multi-purpose bubble foil | Up to 97% radiant heat reflection | 25m x 60cm Roll
The Stove Wizard
15% off
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9,2
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10
XPS Foam Insulation Boards 1200 x 600 x 10mm - Electric and Water Underfloor Heating Tile Laminate Underlay Thermal Extruded Polystyrene Insulation Sheets (10, 1200 x 600 x 10mm)
Cosyspace
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9,2
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You might also be interested in these floor insulation boards.
YOUNTHYE Self Adhesive Reflective Aluminium Foam Insulation 5mm Thick, 24cm x 10m Radiator Reflector Panels, Foil Insulation Roll for Floors, Roofs, Garage Doors and Camper Vans
SUPERIOR MATERIAL - The radiator insulation foil reflector made of high quality rubber and plastic, with good thermal insulation and heat retention, has little effect of moisture and water, scratch resistant, durable for long-term using.
£ 23.99
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Kingspan Thermawall Multi Purpose Insulation Boards 50mm x 450mm x 1200mm Floor Wall Roof & Underfloor (4)
High performance thermoset polyisocyanurate (PIR) insulation - thermal conductivity 0.022 W/mK Clear cavity is maintained - resists moisture penetration Low emissivity foil facings significantly increase the thermal resistance of the cavity Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants
£ 64.00
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Loft Flooring System: LoftZone StoreFloor 3m2 kit (Without Boards) for an Easy-to-fit and Strong Deck Above Your Insulation. Increase Storage, Reduce Heating Bills.
LoftZone StoreFloor – the easiest way to add safe storage space above your insulation Ideal Home Show Winner - Best New Invention Strong enough to walk on - Keeps heating bills down Quicker and easier to install than any other solution Available DIY or installed Increase Your Storage Space and Reduce Your Heating Bills by around 30%
£ 99.95
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To the product (1 offer)
Matt 5mm XPS Underlay for Laminate Flooring – High Density Foam Panels – 5m², 10m², 15m² or 20m² Packs – Easy to Cut, Sound Insulating Boards (1, 10sqm)
Premium XPS Material – Made from high-density extruded polystyrene for superior strength and stability.
£ 32.88
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Tile Backer Boards 6mm / 3.6m2-1200 x 600mm, Waterproof Insulation for Underfloor Heating (5 Boards)
100% Waterproof Tile Backer Board Measures: 1200 x 600mm.
£ 44.99
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INMOZATA 36Pcs Self-Adhesive PVC Flooring Planks Floorboard Planks Waterproof Floor Wall Stickers for Kitchen Bathroom Home Floor Tile (Light Grey)
High-quality self-adhesive PVC flooring plank set consists of 36 planks, each with a size of 91.5 x 15.2 cm, providing a total area of 5.02 m2. Made of removable PVC material, environmental protection, no harm to health.
£ 39.99
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XPS Foam Insulation Boards Floor Underlay 1200 x 500 x 5mm - Coverage 6 Sqm - Electric and Water Underfloor Heating Tile Laminate Underlay Thermal Extruded Polystyrene Sheets
IMPERIAL STUDIOS
£ 27.95
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2400 x 1200 x 100mm Celotex GA4100 / Kingspan TP10 / TF70 / Ecotherm Ecoversal Foil Insulation (7)
Multi use foil faced PIR rigid insulation board suitable for roofs, floors and walls.
£ 390.00
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10m² Aluminium Foil Vapour Control Membrane (VCL) - Multi-Purpose Reflective Vapour Barrier for Walls, Roofs & Floors – (1m x 10m Folded + 45m Aluminium Tape Set)
Trade Store
£ 32.80
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SuperFOIL Foil Insulation Roll - Energy Saving DIY Bubble Foil Sheet - 3-in-1 Sustainable Thermal Insulation Reflective Radiant Barrier & Vapour Barrier (Silver, 0.75m x 50m)
Lower Your Energy Bills: Reduce heating costs by reflecting heat back into your rooms.
£ 100.99
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Drybase Liquid Damp Proof Membrane (5 Litre, White) - Damp Proofing Paint for Internal Walls and Floors. Waterproof Paint
Drybase
£ 49.89
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Thermalmix - Insulating Paint Additive
ENERGY-SAVING PAINT ADDITIVE – Mix Thermalmix with any 5L of paint to reduce heat loss by up to 25%, creating a thermal barrier that helps keep your home warmer in winter and cooler in summer.
£ 21.95
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To the product (6 offers)