Insulation Boards & Overlay Panels

We offer a great range of insulation options for both Electric and Water Underfloor Heating systems.

Know what you're looking for?

Insulation for Electric Systems

We offer an extensive range of Insulation Boards & Overlay Panels with options to suit all projects. We'll match any quote and price, we won't be beaten!

Insulation for Water Systems

We have some great solutions for installing and insulating water underfloor heating systems.

WATER
DUO Panels
Our DUO Boards are comprised of an EPS400 polystyrene board with a 200 micron aluminium foil face to aid with heat distribution.
From:£11.49inc VAT
WATER
Solid18
Our Solid18 Gypsum Panels come pre-grooved at 150mm centres and offer an easy retrofit solution. The high-density dry screed board acts as a heat conductor to give excellent heat distribution.
From:£13.99inc VAT
WATER
FastDeck
Our FastDeck boards come pre-grooved at 150mm centres to accept 12mm pipe and are factory fitted with a 100-micron foil covering for even heat distribution.
£19.99inc VAT

Price Match Promise

We'll match any quote and price, we won't be beaten! Learn More

Insulation Boards & Overlay Panels

If you have been looking for great value insulation boards, you have come to just the right place. We are Fastwarm®, and we are the floorboard installation specialists that customers all over the UK trust.

Insulating your home has so many benefits, including reducing your energy bills and keeping your home warmer for longer. Insulation boards can also help to maintain cooler temperatures during the summer months.

Here at Fastwarm®, we stock a wide range of insulation and overlay boards for you to take your pick from. Looking to add insulation beneath tiled flooring? We have a solution for that. Want to do the same but underneath carpet or wood flooring? Then we have insulation boards for that too! No two properties are the same, and we are here to ensure that everyone can reap the rewards of insulation. Need some help finding the right product for you, or want to be sure that the one you have chosen is the correct choice for your home? Our customer advisors will be able to point you in the right direction immediately.

If you have underfloor heating in your property, you may have assumed that adding floorboard insulation would be tricky. That’s not the case at all! We have a number of options for homes with underfloor heating systems, whether they are water or electric. As a leading provider of underfloor heating products, we’re passionate about providing customers with what they need to insulate their homes too.

If you want to find out more about us and our flood board insulation, please get in touch with a member of our customer service team today. They will be able to answer any questions that you have, and will give you all the information you need to go ahead and make your purchase with total confidence.

Still Unsure? Get expert advice on Insulation Boards & Overlay Panels.

Our highly experienced team are available to answer your questions.

Get expert advice

The Technical Bits

We have full instructions on installing all our insulation boards and overlay panels available for download, along with relevant data sheets:

Fastwarm XPS insulation boards data sheet

XPS Boards
Data Sheet

Download
Fastwarm Tile Backer Boards Data Sheet

Tile Backer Boards
Data Sheet

Download Manual
Fastwarm Classic EPS Underlay Data Sheet

Classic EPS Underlay
Data Sheet

Download Manual
Fastwarm Classic EPS Underlay Install Manual

Classic EPS Underlay
Install Manual

Download Manual
Fastwarm DUO Panels data sheet

DUO Panels
Data Sheet

Download
Fastwarm DUO Panels Install Manual

DUO Panels
Install Manual

Download
Fastwarm Electric Insulation Boards Install Guide

Electric Insulation Boards
Install Guide

Download Manual

What do I do next?

If you have any questions about Electric Underfloor Heating, our highly experienced team are available to answer your questions.

You can contact us via the options below:

Free bespoke design service for your unique project

We offer a full design and quoting service FREE OF CHARGE.

Get a Quote