✨ New Arrivals Just Dropped!Explore
ThermoSphere Electric Underfloor Heating Mesh – 100W/m² for Well Insulated Homes
The ThermoSphere Mesh 100W/m² is a self-adhesive electric underfloor heating mat for floor warming and secondary heating in well-insulated properties. At 100W/m² this is the lowest-output Mesh variant — best suited to taking the chill off a tiled floor in rooms already served by another heat source, or in large, highly insulated open-plan areas. Same TwistedTwin cable, IP68 protection and lifetime warranty as all ThermoSphere Mesh systems. Made in Great Britain.
100W/m²
Output
3.5mm
Thickness
IP68
Wet Room Safe
TwistedTwin
Stress-Free
Made in
Great Britain
Lifetime
Warranty
Key Features
Self-Adhesive Mesh — Wire-Side-Down Installation
The fully self-adhesive fibreglass mesh sticks wire-side-down to the substrate. This protects the TwistedTwin cable during foot traffic and tiling, while holding the mat flat for self-levelling. No additional fixing tape needed.
Self-adhesiveWire-side-downProtects cable
100W/m² Output — Floor Warming
At 100W/m², this mat is best suited as a floor warming and secondary heat in well-insulated rooms. 100W/m² is not recommended as a standalone primary heat source in standard uninsulated rooms.
100W/m²Pre-spaced cableEven output
TwistedTwin Heating Cable — Stress-Free, Fully Earthed
ThermoSphere's proprietary TwistedTwin cable uses a twisted-pair conductor construction that neutralises mechanical stress, preventing the fractures that develop in conventional cables under repeated thermal cycling. A continuous full earth braid runs the entire cable length — making these among the safest electric underfloor heating cables in the UK.
TwistedTwinFull earth braidStress-free
LayFlat Technology — 4mm Cold Tail
The LayFlat cold tail is only 4mm thick — far thinner than conventional cold tails — making it straightforward to conceal within the tile adhesive layer without any raised ridge in the finished floor.
4mm cold tailConcealed in adhesive
Tile and Stone — or Other Finishes with Overlay
Primarily for tile and stone floors tiled directly over. With self-levelling compound, also suitable under wood and vinyl. Can be installed on tiled walls.
Tile / StoneWood/vinyl with overlayWall tiles possible
IP68 — Safe in Wet Rooms and Bathrooms
IP68 rated — completely impervious to moisture, safe in wet rooms, shower areas and bathrooms when installed with appropriate accessories.
IP68Wet room safe
Lifetime Warranty — Stays with the Property
Backed by a lifetime warranty when registered online. Uniquely, the warranty transfers with the property on sale — the new owners remain covered.
Lifetime warrantyProperty warranty
Technical Specifications
| Technical Data | |
| Voltage | 230V / 50Hz |
| Output | 100 W/m² |
| Total Thickness | 3.5mm |
| Area Range | 1.5 – 12.0 m² |
| Mesh Material | Self-adhesive fibreglass |
| Cable Insulation | FEP and HR-PVC |
| Protection Rating | IP68 |
| Recommended Max Floor Temperature | 27°C (limited by thermostat controls) |
| Warranty | Lifetime (online registration required) |
| Country of Origin | United Kingdom |
ℹ Installation: All electrical connections must be made by a qualified electrician in accordance with BS 7671. Register your product with ThermoSphere online to activate your lifetime warranty.
Frequently Asked Questions
Related Products
ThermoSphere Mesh 150W/m²
Standard primary heat source
ThermoSphere Mesh 200W/m²
High output for conservatories
ThermoSphere Foil 140W/m²
For wood, carpet and vinyl
ThermoSphere T-MO Thermostat
Smart thermostat
Select Options
From $28.82
Original: $82.33
-65%ThermoSphere Electric Underfloor Heating Mesh – 100W/m² for Well Insulated Homes—
$82.33
$28.82More Images
ThermoSphere Electric Underfloor Heating Mesh – 100W/m² for Well Insulated Homes
The ThermoSphere Mesh 100W/m² is a self-adhesive electric underfloor heating mat for floor warming and secondary heating in well-insulated properties. At 100W/m² this is the lowest-output Mesh variant — best suited to taking the chill off a tiled floor in rooms already served by another heat source, or in large, highly insulated open-plan areas. Same TwistedTwin cable, IP68 protection and lifetime warranty as all ThermoSphere Mesh systems. Made in Great Britain.
100W/m²
Output
3.5mm
Thickness
IP68
Wet Room Safe
TwistedTwin
Stress-Free
Made in
Great Britain
Lifetime
Warranty
Key Features
Self-Adhesive Mesh — Wire-Side-Down Installation
The fully self-adhesive fibreglass mesh sticks wire-side-down to the substrate. This protects the TwistedTwin cable during foot traffic and tiling, while holding the mat flat for self-levelling. No additional fixing tape needed.
Self-adhesiveWire-side-downProtects cable
100W/m² Output — Floor Warming
At 100W/m², this mat is best suited as a floor warming and secondary heat in well-insulated rooms. 100W/m² is not recommended as a standalone primary heat source in standard uninsulated rooms.
100W/m²Pre-spaced cableEven output
TwistedTwin Heating Cable — Stress-Free, Fully Earthed
ThermoSphere's proprietary TwistedTwin cable uses a twisted-pair conductor construction that neutralises mechanical stress, preventing the fractures that develop in conventional cables under repeated thermal cycling. A continuous full earth braid runs the entire cable length — making these among the safest electric underfloor heating cables in the UK.
TwistedTwinFull earth braidStress-free
LayFlat Technology — 4mm Cold Tail
The LayFlat cold tail is only 4mm thick — far thinner than conventional cold tails — making it straightforward to conceal within the tile adhesive layer without any raised ridge in the finished floor.
4mm cold tailConcealed in adhesive
Tile and Stone — or Other Finishes with Overlay
Primarily for tile and stone floors tiled directly over. With self-levelling compound, also suitable under wood and vinyl. Can be installed on tiled walls.
Tile / StoneWood/vinyl with overlayWall tiles possible
IP68 — Safe in Wet Rooms and Bathrooms
IP68 rated — completely impervious to moisture, safe in wet rooms, shower areas and bathrooms when installed with appropriate accessories.
IP68Wet room safe
Lifetime Warranty — Stays with the Property
Backed by a lifetime warranty when registered online. Uniquely, the warranty transfers with the property on sale — the new owners remain covered.
Lifetime warrantyProperty warranty
Technical Specifications
| Technical Data | |
| Voltage | 230V / 50Hz |
| Output | 100 W/m² |
| Total Thickness | 3.5mm |
| Area Range | 1.5 – 12.0 m² |
| Mesh Material | Self-adhesive fibreglass |
| Cable Insulation | FEP and HR-PVC |
| Protection Rating | IP68 |
| Recommended Max Floor Temperature | 27°C (limited by thermostat controls) |
| Warranty | Lifetime (online registration required) |
| Country of Origin | United Kingdom |
ℹ Installation: All electrical connections must be made by a qualified electrician in accordance with BS 7671. Register your product with ThermoSphere online to activate your lifetime warranty.
Frequently Asked Questions
Related Products
ThermoSphere Mesh 150W/m²
Standard primary heat source
ThermoSphere Mesh 200W/m²
High output for conservatories
ThermoSphere Foil 140W/m²
For wood, carpet and vinyl
ThermoSphere T-MO Thermostat
Smart thermostat
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The ThermoSphere Mesh 100W/m² is a self-adhesive electric underfloor heating mat for floor warming and secondary heating in well-insulated properties. At 100W/m² this is the lowest-output Mesh variant — best suited to taking the chill off a tiled floor in rooms already served by another heat source, or in large, highly insulated open-plan areas. Same TwistedTwin cable, IP68 protection and lifetime warranty as all ThermoSphere Mesh systems. Made in Great Britain.
100W/m²
Output
3.5mm
Thickness
IP68
Wet Room Safe
TwistedTwin
Stress-Free
Made in
Great Britain
Lifetime
Warranty
Key Features
Self-Adhesive Mesh — Wire-Side-Down Installation
The fully self-adhesive fibreglass mesh sticks wire-side-down to the substrate. This protects the TwistedTwin cable during foot traffic and tiling, while holding the mat flat for self-levelling. No additional fixing tape needed.
Self-adhesiveWire-side-downProtects cable
100W/m² Output — Floor Warming
At 100W/m², this mat is best suited as a floor warming and secondary heat in well-insulated rooms. 100W/m² is not recommended as a standalone primary heat source in standard uninsulated rooms.
100W/m²Pre-spaced cableEven output
TwistedTwin Heating Cable — Stress-Free, Fully Earthed
ThermoSphere's proprietary TwistedTwin cable uses a twisted-pair conductor construction that neutralises mechanical stress, preventing the fractures that develop in conventional cables under repeated thermal cycling. A continuous full earth braid runs the entire cable length — making these among the safest electric underfloor heating cables in the UK.
TwistedTwinFull earth braidStress-free
LayFlat Technology — 4mm Cold Tail
The LayFlat cold tail is only 4mm thick — far thinner than conventional cold tails — making it straightforward to conceal within the tile adhesive layer without any raised ridge in the finished floor.
4mm cold tailConcealed in adhesive
Tile and Stone — or Other Finishes with Overlay
Primarily for tile and stone floors tiled directly over. With self-levelling compound, also suitable under wood and vinyl. Can be installed on tiled walls.
Tile / StoneWood/vinyl with overlayWall tiles possible
IP68 — Safe in Wet Rooms and Bathrooms
IP68 rated — completely impervious to moisture, safe in wet rooms, shower areas and bathrooms when installed with appropriate accessories.
IP68Wet room safe
Lifetime Warranty — Stays with the Property
Backed by a lifetime warranty when registered online. Uniquely, the warranty transfers with the property on sale — the new owners remain covered.
Lifetime warrantyProperty warranty
Technical Specifications
| Technical Data | |
| Voltage | 230V / 50Hz |
| Output | 100 W/m² |
| Total Thickness | 3.5mm |
| Area Range | 1.5 – 12.0 m² |
| Mesh Material | Self-adhesive fibreglass |
| Cable Insulation | FEP and HR-PVC |
| Protection Rating | IP68 |
| Recommended Max Floor Temperature | 27°C (limited by thermostat controls) |
| Warranty | Lifetime (online registration required) |
| Country of Origin | United Kingdom |
ℹ Installation: All electrical connections must be made by a qualified electrician in accordance with BS 7671. Register your product with ThermoSphere online to activate your lifetime warranty.
Frequently Asked Questions
Related Products
ThermoSphere Mesh 150W/m²
Standard primary heat source
ThermoSphere Mesh 200W/m²
High output for conservatories
ThermoSphere Foil 140W/m²
For wood, carpet and vinyl
ThermoSphere T-MO Thermostat
Smart thermostat
