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B&Q£107.99Visit shop B&Q - 150W Electric Underfloor Heating Mat Kit0.5MTouch Black Thermostat
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The Fastwarm 150W Electric Underfloor Heating Mat Kit is an ideal solution for homeowners and DIY enthusiasts looking to install a reliable, efficient primary or secondary heat source beneath their flooring. Designed with industry-leading 2mm thin dual-core cables, it provides uniform warmth without significantly raising floor height, making it perfect for both compact spaces like bathrooms and larger open-plan rooms; however, users should ensure the subfloor is properly prepared and insulated to maximize energy efficiency and heat retention.
| Colour | Black |
|---|---|
| Model Part Number | 150W18MWIFIBLACK |
| Brand | Fastwarm |
No. You can cut the fiberglass mesh to fit your room shape, but you must never cut or shorten the heating cable itself as this will damage the circuit.
The 150W system is primarily designed for tile and stone floors. Please check with your flooring manufacturer to ensure compatibility with underfloor heating.
While not strictly mandatory for all subfloors, using insulation boards is highly recommended to significantly reduce heat-up times and improve energy efficiency.
Yes, the system is suitable for wet areas like bathrooms and en-suites, provided it is installed in accordance with electrical safety regulations for damp environments.
Fastwarm offers a lifetime guarantee on their heating mats due to the high-quality materials and Teflon coating used in their construction.
Check that the thermostat is powered and correctly connected, and verify the circuit breaker has not tripped.
Consult the thermostat manual for specific code definitions, often related to sensor disconnection or probe placement issues.
Ensure the floor probe was installed correctly during the tiling process and is not covered by thick layers of non-conductive material.
Installation should begin with a clean, level, and dry subfloor. It is recommended to use insulation boards beneath the mat to prevent downward heat loss. The mat should be laid out according to room dimensions, ensuring the mesh is cut to fit the space while being extremely careful never to cut or damage the heating cable itself. Once positioned, use a flexible floor adhesive compatible with underfloor heating. While the system is designed for DIY layout, all final electrical connections must be performed by a qualified electrician to ensure safety and warranty validity. Maintenance is minimal; avoid drilling into the floor post-installation to prevent cable damage.
