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Carbon Underfloor Heating Kit PRO, 130 W/m², 1 m film
Carbon Underfloor Heating Kit PRO, 130 W/m², 1 m film
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A complete carbon infrared underfloor heating film kit with 1 m wide film, packed in one box and ready to install. Half the strips and connections of 50 cm film, so larger rooms go down faster. Each kit has the film, connection crimps, cold tails, tapes and a polyester vapour barrier for a 10, 15, 20 or 25 m² room, for a Class II installation, and costs less than buying the same parts separately. Heat output 130 W/m². Thermal insulation board, crimping tool and thermostat are available as optional extras below.
For narrow or awkward rooms, see the Kit PRO with 50 cm film.
Why choose the Kit PRO with 1 m wide film
This version of our Carbon Underfloor Heating Kit PRO uses 1 m wide carbon heating film instead of 50 cm. It covers the same area with half the number of strips, so there are fewer cuts, fewer crimped connections and less time on your knees. It is the quickest way to heat larger, regular-shaped rooms and open-plan areas, and a good fit for builders and installers fitting out whole floors.
Like every Kit PRO, you choose the kit size for the room and everything arrives together in one box. It is cheaper than buying the same components separately, and nothing gets forgotten on the day.
Every Kit PRO includes a polyester vapour barrier. The heating film on its own is single insulated. The vapour barrier laid over it is the second layer of insulation that makes the installation Class II (double insulated), as required by the 18th Edition Wiring Regulations (BS 7671).
The crimping tool is not included as standard, so you don't pay for one you already have. If you need one, or a thermostat or insulation board, they are available as optional extras.
Kit sizes and prices
Choose the kit that matches the heated area of your room. All kits use our standard 130 W/m² film, 1 m wide.
| Kit size | Heating film | Product code | Price (inc. VAT) |
|---|
Each kit runs on a single 16 A thermostat (the 25 m² kit draws 3.25 kW).
Before you order: thermal insulation board
The kit does not include thermal insulation board. XPS Thermal Insulation Board must be laid under all carbon heating film. It stops heat being lost into the subfloor.
The board must cover the full room area, wall to wall, wherever the new flooring goes, not only the heated area. The 6 mm board is also the underlay for the final floor covering, so no additional underlay is needed.
To work out how much to order, measure the full floor area of the room and add about 10% extra for waste and cutting.
About the heating film
Carbon infrared heating film is a very thin, heat-producing film laid under the floor covering. It is made with a printing technique and works through the electrical resistance of the carbon element. It has a life expectancy of up to 50 years and comes with a 20-year guarantee.
Underfloor infrared heating can be the main source of heat or work alongside an existing system. The film is only about 0.34 mm thick, so it won't noticeably raise the floor, which makes it well suited to existing houses and flats as well as new builds. It is also used in offices, restaurants, hotels, nurseries and caravans.
The film in this kit is 1 m wide and can be cut every 20 cm, so it can be tailored to the area being heated. Cut the roll into lengths and connect it with the crimps supplied. The film produces heat as soon as it is switched on, so the room warms up within minutes. Each room or heating zone is controlled by a thermostat with a floor temperature sensor.
Floor coverings
The film is designed for floating floors such as laminate, engineered wood and click vinyl. For carpet, carpet tiles and soft vinyl, install it together with Flexel ECOMAX-DUO, which gives a stable, heat-spreading surface above the film.
Where not to use it
- Not suitable under ceramic or stone floor tiles, or under screed or self-levelling compound.
- Must not be installed in bathrooms, shower rooms or other wet areas ("special locations" in BS 7671). For those rooms use electric heating mats or aluminium heating foil instead.
What's included in the kit
| Component | 10 m² | 15 m² | 20 m² | 25 m² | Notes |
|---|---|---|---|---|---|
| Heating film, 1000 mm wide, 130 W/m² | 10 m | 15 m | 20 m | 25 m | Cut to length every 20 cm |
| Connection crimps | 10 | 20 | 20 | 20 | Connect the cold tails to the film busbars |
| Cold tail leads | 10 m blue + 10 m brown | 2 x 10 m blue + 2 x 10 m brown | 2 x 10 m blue + 2 x 10 m brown | 2 x 10 m blue + 2 x 10 m brown | Live and neutral supply leads |
| Bitumen insulation tape | 1 m | 2 m | 2 m | 2 m | Insulates and seals crimped connections |
| Green termination discs | 10 | 20 | 20 | 20 | Seal the unconnected busbar ends |
| Heavy duty cloth tape | 1 roll | 2 rolls | 2 rolls | 2 rolls | Holds the film and vapour barrier in place |
| Polyester vapour barrier | 1 x 12 m roll | 1 x 25 m roll | 1 x 25 m roll | 1 x 25 m roll + 1 x 12 m roll | 1 m wide. Laid over the film for a Class II installation |
| Installation instructions | Yes | Yes | Yes | Yes | Step-by-step printed guide |
| Ratchet crimping tool | Not included. Optional extra | Add it to your order if you need one | |||
| XPS thermal insulation board | Not included. Optional extra, for the full room area plus 10% for waste and cutting | Also acts as the flooring underlay | |||
Each kit has enough accessories for one regularly shaped room. If you're splitting a kit across several smaller rooms you'll need extra crimps, cold tails and tape, which are all sold separately. If you're not sure what extras you need, send us a floor plan and we'll work it out for you.
Key features
- 1 m wide film: half the strips and connections of 50 cm film for the same area
- Approved to EN 60335-2-96, as required by the 18th Edition Wiring Regulations
- Standard heat output: 130 W/m²
- Extremely low build height: less than 7 mm, including the insulation board
- Available as 10 m², 15 m², 20 m² and 25 m² kits
- Quick installation: cut the film every 20 cm and connect
- Vapour barrier included for a Class II installation
- One box, one order, and a lower price than buying the parts separately
Installation videos
The kit is installed in exactly the same way as our carbon infrared underfloor heating film. Watch how it's done:
Installation
Installation must be carried out by a qualified electrician. If you need an installer, our official installation partner, Standard Electrical Services, can quote for the work: Infrared Heating Installations
Technical specification
| Construction | Carbon-based flexible heating film |
| Operating voltage | 230 V, 50 Hz |
| Heat output | 130 W/m² (130 W per metre of 1 m wide film) |
| Element width | 100 cm |
| Cutting interval | Every 20 cm (marked lines) |
| Build height | Less than 7 mm in total: 6 mm XPS insulation board (which is also the underlay), plus the film and vapour barrier |
| Life expectancy | Up to 50 years |
| Guarantee | 20 years |