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Heat Mat PKM-240W Underfloor Heating Mat 240Wsqm (Ultimate Power)
Heat Mat PKM-240W Underfloor Heating Mat 240Wsqm (Ultimate Power)
Heat Mat PKM-240W Underfloor Heating Mat 240Wsqm (Ultimate Power)

Heat Mat PKM-240W Underfloor Heating Mat 240Wsqm (Ultimate Power)

£62.52 (inc. VAT)
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Heat Mat PKM 240W Underfloor Heating Mat 240Wsqm (Ultimate Power)

Heat Mat offers A wide range of 240W/sqm heating mats are the most powerful system in Heat Mat’s electric underfloor heating range. They provide the highest heat output, the fastest warm-up time and the most energy efficient system for heating beneath tile and stone floors, while offering all of the other benefits of Heat Mat’s fast to fit ultra thin systems.

240W mats provide sole source heating in areas where conventional heating mats can struggle for instance very small rooms, high heat loss rooms including conservatories and foyers, and areas where only part of the floor can be heated due to fitted units e.g kitchens.

  • Designed to provide sole source heating in very small and/or high heat loss rooms including en-suite bathrooms, garden rooms and conservatories.
  • A great heating solution when floor build height restrictions prevent insulation boards being installed.
  • Particularly suited to heating rooms where a high proportion of the floor is taken up by units that can not have heating beneath them. This includes kitchens, utility rooms and some bathrooms.
  • Perfect for drying out floors for safety reasons and to prevent mould. Suitable for swimming pools and use in wet rooms/bathrooms. Can also be used within walls for towel warming or to dry out shower areas.
  • The fastest heating, highest output and most energy efficient mat system offered by Heat Mat with the close cable spacing generating superior heat spread through the floor.
  • Provide a very fast warm-up time beneath thick floor coverings like flagstones and brick.

Small high heat loss rooms

Rooms with small floor areas have a greater proportion of wall to each m2 of floor area, leading to a far higher heat loss per m2 of floor than larger rooms. 240W Mats are designed to overcome this high heat loss by offering the maximum output in the restricted floor area, and still benefit from being laid onto insulation boards where possible.

General high heat loss rooms

Rooms with a higher than average heat loss benefit from the fast warm-up time and high output of the 240W system - this includes rooms such as garden rooms, conservatories, foyers and entrance halls with high air movement, or rooms where insulation boards cannot be installed on top of the screed bed.

Heating a proportion of the floor

In some situations only a proportion of the floor can be heated, such as kitchens and bathrooms. In these cases the 240W mats ensure enough warmth is still provided to heat the entire room. In very large structures, such as churches or barns, the 240W mats can provide targeted heat in the areas where it is required e.g. between pews or specific areas where people will be sitting/standing.

Floor drying

The 240W system offers fast floor drying which can be desirable for safety reasons around swimming pools or in wet rooms. In wet rooms and bathrooms the system can speedily heat the floor and walls to dry out tiles to help prevent mould, and in hotels to prepare bathrooms for the next guest.

Selecting the correct sized heating mats

To start with you will need to calculate the free floor area (FFA). To calculate the FFA you should measure the room to find out the total floor area. You should then subtract from this any areas where kitchen or bathroom furniture will be placed, or where furniture without an air gap beneath it will be positioned. Once you have taken off these areas you have your FFA. Our recommendation is to deduct 10% for fitting space in rooms up to 15m2, 7% for rooms between 16m2 and 25m2, and 5% fitting space for larger rooms.

Floor coverings and sub-floor surfaces

The 240W mat system must only be used beneath tile, stone and cementaceous floor covering as the heat must be able to rapidly dissipate into the room. For the same reason it is vital that no thermal blocks (including rugs, mats or furniture) are placed on top of the heated area of the floor. The mats must be installed onto a cementaceous layer e.g. Heat Mat’s concrete faced thermal insulation boards, concrete, tiles, or a 2mm layer of tile adhesive skimmed over wooden sub-floors.

Energy efficient solution

240W heating mats are almost 100% efficient at converting electricity into heat and they can easily be powered by locally generated electricity from either photo voltaic or wind power sources. When used with Heat Mat’s intelligent NGT controllers, these 240W mats are Heat Mat’s most energy efficient heating mat system, and a Part L compliant heating solution.

Key Features

  • The ultimate high powered underfloor heating system perfect for high heat loss areas and when a speedy warm-up time is required
  • Designed for a variety of situations including very small rooms, high heat loss rooms, and areas that require rapid heating such as foyers and entrance halls
  • Our most energy efficient heating system when used with our controllers adaptive function
  • Closely spaced heating cable for even heat output
  • Perfect for heating beneath thick floor coverings such as flagstones and brick
  • Simple cut and turn design enables fast installation
  • Ultra-thin fluoropolymer insulated cable ensures minimum build height
  • A large range of standard sizes which can be mixed and matched for the perfect fit
  • Supplied with a Lifetime Warranty
  • Made in Denmark

Technical Information

  • Supply Voltage,  230V +/- 10
  • Power output, 240W/sqm
  • Output range, 120W – 2710W
  • Maximum load, 17W/meter
  • Standard range, 0.5m2 – 11.4m 2
  • Mat dimensions, 0.5m wide x 1.0m to 22.8m
  • Coldtail lead, 4m double insulated cable
  • Wire thickness, 2.7mm – 3.2mm
  • Cable flexibility, Minimum radius 18mm
  • IP Rating, IPX7
  • Inner insulation, Fluoropolymer (FEP Y7) 200oC
  • Outer insulation, PVC (Y) 90oC
  • Earth protection, 100% aluminium earth shield
  • Cable reinforcement, Fibreglass strands
  • Reinforcement mesh, Fibreglass mesh
  • Fixing materials, 3 rows of double-sided tape
  • Compliant with Part L, 17th Edition IEE Wiring Regulations, EN 60335-1:1998, EN60335-2-17:1999, IEC 60730

Why Choose Heatmat

A.  Robust PVC (Y) outer insulation
B.  100% aluminium earth shield for safety
C.  High load earth drain wire
D.  Fibreglass reinforcement cable for tensile strength
E.  Fluoropolymer insulation rated to 200ºC
F.  Litzer style twin spiral wound resistance wires

Heat Mat’s electric underfloor heating mats are independently BEAB and Semko approved, manufactured in Denmark in our BEAB approved factory, and supplied with a Lifetime Warranty. They are also certified by Semko as having a very low EMC radiation, which is a result of their twin conductor design and 100% aluminium earth shield.

With more than 1,400,000m2 of underfloor heating installed, 22 years’ experience of the UK underfloor heating market and a wealth of knowledge on Scandinavian ice and snow melting systems, you can rely on Heat Mat to understand your needs and supply the products to satisfy your requirements.

This is why they are the Professionals’ Choice, the number one supplier of electric underfloor heating and ice and snow melting systems to the UK’s professional installation market

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