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Underfloor Heating Mat Kits

Our complete DEVImat underfloor heating kits for timber, concrete based floors and high output, come with everything you need to complete a DEVI underfloor heating installation.

Why choose a DEVImat electric underfloor heating kit?

  • 20 year guarantee with DEVIguard guaranteeing the floor as well as the product
  • Open self-adhesive mesh design of the mat
  • Range of kit applications available - including timber floor (100W), concrete floor (150W) and High output (200W)
  • 4mm mat thickness
  • DEVI is a premium well trusted brand

DEVI Floor Guard Warranty not only guarantees it’s heating systems but also guarantees the floor in the unlikely event that the system cannot be repaired due to a manufacturing fault. Other manufacturers only offer product warranties which do not include the replacement of the flooring.

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Our DEVImat underfloor heating kits include the following components:

  • DEVImat self adhesive underfloor heating mat
  • DEVIreg Touch programmable thermostat
  • Gaffer utility tape
  • Spray adhesive

Product Downloads

We have collated the following user guides and marketing material for products within this section for you to browse. Click on a thumbnail to download a file.

Data Sheet

File Size: 1.13 MB

Data Sheet

File Size: 1.13 MB

Articles

We take time and care to research relevant product information and report on current news for our product range that we believe you may find useful. Click on an article to read more.

List of DEVI Underfloor Heating Mat Resistances

12/05/2015

Concrete Based Floors Single conductor mat. Coverage m2 Normal Minimum -4% Maximum +9% 1.0m 705.00 676.80 768.50 2.0m 353.00 ...

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Introduction to DEVI Matting Underfloor Heating

04/02/2015

The DEVImat DTIF is a self adhesive mesh, with ultra thin cable pre-attached. It comes in a full range of sizes, from 0.5m-12m and are available in both 100W and 150W per m2 for installation onto b...

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How To Install DEVI Matting Underfloor Heating Guide

11/09/2014

Follow the step by step instructions below to install your DEVImat system. Example Instruction Step 1 Measure the room and draw a sketch to help you c...

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How to Choose your DEVI Matting Underfloor Heating

21/07/2014

Start by measuring the free surface area, and make a sketch of the room similar to the one pictured on the right. Choose the closest size of DEVImat (always rounding down to the nearest size). S...

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Typical Wiring for DEVI Matting Electrical Connections

15/01/2014

Typical wiring layout for connection of DEVImat to 540/550 DEVIreg controller.

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Example DEVI Matting Underfloor Heating Floor Constructions

03/01/2014

Examples of DEVImat installation under tiles on a concrete floor. Examples of DEVImat installation under parquet/wood/vinyl on a concrete floor. Examples of DEVImat installati...

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Frequently Asked Questions

We make every effort in answering your questions. Below is a list of those questions we are frequently asked. Click on a question to expand its answer.

Are electric underfloor heating systems designed to heat a room or just to keep a floor warm?

Underfloor Heating UK DEVI systems are suitable for both heating the entire room or floor only, depending on your requirements. Poorly insulated areas and in very cold conditions, may require ad...

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At what stage of the project should I install my electric underfloor heating?

Generally, we would advise that the property should be airtight before the installation of underfloor heating, but this would also depend on the schedule of your individual project.

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Can I install the system myself or do I need an expert?

All of our Underfloor Heating mats come with a full set of installation instructions, providing a simple step by step guide. Most systems can be installed on a DIY basis. But the final electrical c...

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Can I retrofit Underfloor Heating into my property?

Installation of underfloor heating is obviously easier within a new build project, but if designed correctly, you can still enjoy the benefits of heating your property using underfloor heat on a re...

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Can underfloor heating be used in a bathroom or a wet room?

Yes, underfloor heating is a great way to warm your home. It’s lovely to walk on and distributes heat evenly around each corner of the room, freeing your walls from radiators, so its not surp...

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Can underfloor heating be used under carpet?

Underfloor heating can be used with most types of carpet. A self-levelling compound is required and as long as the underlay is not a good thermal insulator (i.e not felt), heat will easily pass thr...

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Do I need a thermostat?

Yes, we include a DEVIreg Touch programmable thermostat in all of our kits. This stylish cutting edge thermostat uses pulse width modulation with optimum start and optimum end programming as well a...

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Do I need to change the flooring when I want to install DEVI floor heating in my bathroom?

An easy and clean solution such as DEVImat gives you possibility to leave an old floor without removing it and creating unnecessary mess. The thought of broken up floors and craftsmen running in an...

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How do I turn off my underfloor heating system?

During the summer months or when it is warm, you may wish to turn off your underfloor heating. All of our thermostats have an on/off switch, which can be used to turn off your underfloor heating sy...

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I have a floor which is made up of both timber and concrete. Can I use a single heating mat for the floor?

We strongly recommends that each section of floor with a different covering has its own ‘mat’ as well as thermostat since each floor surface has a different maximum temperature limit. W...

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What is the black thing at the far end of the twin conductor mat?

This is the connection at the end of the twin conductor mat where the heating element is connected to the neutral return. This is manufactured within the cable.

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Will underfloor heating restrict my choice of floor finish?

The correct floor covering should be carefully considered to ensure heat is not prevented from rising into the room by the floor covering. We offer expert advice on floor covering to ensure the bes...

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Feefo Reviews Click to view our independent Feefo review profile

Read our independently sourced Underfloor Heating Mat Kits reviews to see what our customers think about these products.

Customer Product Rating Customer Experience
Martin Breen
Dublin, Ireland
07 June 2018 11:33
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
This product did the job it was intended for - easy to install and use.
“Fantastic product, fantastic people to deal with.”
My original query was answered very quickly and the follow up supply of goods was equally excellent. Great customer service.
Fantastic, thank you for the great review of our service.
Bruce Shearman
24 May 2018 12:33
Underfloor Heating UK Review
Average
Product Rating Product Rating Product Rating Product Rating Product Rating
As in section 1 lack of installation information.
“Reducing installation information is not a good idea!”
Your service was quick and efficient. My concern was with the DEVI product information and installation information. I have previously fitted a DEVI mat however the installation information was minimal and no explanation given for the pack content. Fortunately I remembered most of the installation steps. The one that I didn't was answered by DEVI customer help. My point is that the product is good but the installation information is poor as is the online information. If DEVI ask you can feed back this information to them.

Regards
B.S.Shearman
Alan House
26 March 2018 07:45
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
I’ve always used Devi, as I think it’s the best on the market
The web site is easy to understand, and they delivered on time. The parcel was left where I asked it to be left
Perfect, thank you for taking the time to leave us such great feedback. 
Nick Hepher
25 February 2018 07:17
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
Simply the best u/f heating solution around
Thank you for the fantastic product review, we appreciate the really great comments. 
“Top people”
First class on price and delivery. Highly recommended
Thank you for the excellent review and the fantastic recommendation, we appreciate it greatly. 
Alan House
11 October 2017 07:50
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
Used before, and really like it
That is really great to hear, thank you.
Turned up really quick after ordering. Website really easy to understand
Thank you very much for the really great review.
Trusted Customer
17 May 2017 09:07
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
Third room done with this system, love it.
That is really great to hear as we love it too.
Arrived as described next day...great.
Fantastic! 
Thank you very much for your great 5 star review, it is very much appreciated.
Andrew Guy
06 April 2017 22:40
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
good value from a very informative company
great service
Thank you very much for your 5 star review.
Trusted Customer
11 March 2016 08:49
Underfloor Heating UK Review
Excellent
Product Rating Product Rating Product Rating Product Rating Product Rating
Excellent
“Excellent website, easy ordering system, very knowledgeable staff. Have since re-used them.”
Excellent website, easy ordering system, very knowledgeable staff. Have since re-used them.
Thank you very much for your fantastic review, we really do appreciate your comments.

Hannah Boother
Customer Service Manager