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Insulation Boards

At Element Shop, we offer a wide range of underfloor heating insulation boards for a variety of floor surfaces, all available in different thicknesses including the very popular 6mm insulation board.

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Welcome to Element Shop, your trusted destination for premium insulation boards tailored for underfloor heating systems. Our insulation boards are designed to enhance the efficiency of your heating systems, ensuring optimal warmth and comfort in your home. Crafted with high-quality materials, these boards provide superior thermal insulation, reducing energy consumption and ensuring even heat distribution. Whether you're upgrading an existing system or installing a new one, Element Shop's insulation boards are the perfect choice for reliable and effective underfloor heating solutions.

Our Range

Within our range we have every type of board you need to successfully complete you underfloor heating installation. Different type of boards are used for different jobs so read on further to find out more about each type of board we stock and the options available for each one.

Insulation Boards

Tile Backer Boards

Tile backer boards, commonly referred to as Hardy boards, are specially designed lightweight insulated panels for floor and wall tile applications. These boards are highly manageable due to their light weight and ease of cutting, accommodating tools such as fine-tooth saws, jigsaws, or utility knives. Their design ensures dimensional stability, preventing issues like rotting or warping, and they provide outstanding moisture resistance. Additionally, these boards offer superior thermal insulation, making them an excellent choice for electric underfloor heating systems.

Available in standard sheets measuring 1200mm x 600mm, tile backer boards can be easily trimmed to your required dimensions. They come in a range of thicknesses, including 6mm, 10mm, and 20mm, allowing for versatility in various tiling projects.


XPS boards, or Extruded Polystyrene Insulation board, are specifically designed for use with electric foil underfloor heating systems on both timber and concrete floors. The manufacturing process of XPS Insulation involves an extrusion technique where plastic resin is melted together with other ingredients. This mixture is then continuously extruded through a die, and as it cools, it expands to form a closed-cell rigid insulation material. These XPS boards are available in 1200mm x 600mm sheets and come in thicknesses of 6mm, 10mm, and 20mm.

XPS insulation is known for its durability and moisture resistance, making it an excellent choice for underfloor heating systems. The closed-cell structure of XPS boards provides superior thermal insulation, which helps in maintaining consistent floor temperatures and improving energy efficiency. Additionally, the rigid nature of these boards ensures that they provide a stable base for the heating elements, enhancing the overall performance of the underfloor heating system.

The versatility of XPS boards allows them to be used in various applications, not just limited to underfloor heating. Their high compressive strength and lightweight properties make them suitable for use in wall insulation, roof insulation, and even in external applications where insulation is required. The standard sheet size of 1200mm x 600mm ensures ease of handling and installation, while the different thickness options allow for customisation based on specific insulation requirements.

Insulation Board
Insulation Boards for Underfloor Heating

Overlay Boards

Overlay boards are an excellent choice for wet underfloor heating installations due to their numerous advantages compared to other types of boards. These boards serve a dual purpose, being suitable for use under both tiled floors and floating floors such as laminate. They are ideal for both new builds and renovation projects, offering versatility and efficiency.

We offer a wide selection of overlay boards to meet your specific needs. You can choose from various types, board lengths, and thicknesses to find the perfect fit for your project. Whether you are working on a new construction or upgrading an existing space, our overlay boards provide a reliable solution to enhance your underfloor heating system.

Decoupling Matting

Our decoupling matting system is a versatile and advanced solution with a unique 3-layer construction that provides numerous benefits beyond simple decoupling. Designed for quick and effortless installation, it is perfect for renovation projects, saving both time and effort.

In this section, you'll also discover underfloor heating carrier mats. These mats offer an efficient method for organising and installing heating cables, ensuring a well-structured and effective underfloor heating system. Our products are engineered to enhance the overall performance and reliability of your flooring installations, making them an excellent choice for any renovation or construction project.

Insulation Board for Underfloor Heating
Underfloor Heating Insulation Boards

Castellated Fixing System

The castellated fixing system is engineered specifically for warm water underfloor heating and wall heating applications. Constructed entirely from 100% recycled plastic, this system features robust 15mm self-adhesive panels, ensuring a swift and secure installation process. It is versatile, suitable for both suspended timber floors and solid floors, and can also be adapted for wall heating solutions. Designed to accommodate pipes ranging from 10-12mm and 14-17mm, this system provides comprehensive options to meet the requirements of any installation.

Its eco-friendly materials not only support sustainability but also offer durability and reliability. The thick self-adhesive panels simplify the installation, reducing the time and effort needed. Whether you're dealing with different types of floors or integrating wall heating, this system is adaptable, ensuring that you have all the necessary components for a successful setup.

Underfloor Heating Grid

Underfloor heating is an increasingly popular method for heating homes and commercial spaces due to its efficiency and comfort. At the core of an effective underfloor heating system is proper insulation, which plays a crucial role in maximising the system's performance and energy efficiency. Underfloor heating grid insulation is specifically designed to provide a barrier that reduces heat loss and enhances the distribution of warmth across the floor.

This type of insulation typically consists of high-quality materials that are durable and resistant to compression. By placing insulation grids beneath the heating elements, the heat is directed upwards into the room rather than being absorbed into the subfloor. This not only ensures a more even and consistent temperature distribution but also helps to reduce energy consumption, making the heating system more cost-effective.

Additionally, underfloor heating grid insulation can contribute to the overall longevity of the heating system. By maintaining a stable temperature and reducing the strain on heating components, the insulation helps to prevent wear and tear, thereby extending the life of the system.

Underfloor Heating Insulation Board

Why Use Element Shop?

Element Shop have been trading now for over 15 years and have established ourselves as one of the leading providers of underfloor heating for both wet and electric systems in the UK. We continue to expand our range of products based on our customers feedback and have developed a catalogue of products that is perfectly suitable to plumbers and electricians who install heating products. All products have a minimum of 1 year warranty, but most of our products will carry more, some which include lifetime guarantees. We offer free next day delivery service to most of the UK, no matter how much or how little you spend, and we also offer a no quibble 14-day return policy. If you change your mind, simply return your product in its original condition and we will issue a refund. Moreover, we offer price match promise so we guarantee that if you do find one of our products cheaper elsewhere, we will match the price.

If you’d like to find out more about our products, or would like to enquire about stock, you can call one of the team on 01473 559079 who will be on hand to help with your query.

Delivery Times

Most of our products are kept in stock, in our warehouse in Ipswich. This means we can offer free next day delivery to our customers. Each range and individual product, state their estimated delivery time during checkout. We deliver to most UK locations with free, next day delivery as standard. To discuss delivery details, call us on 01473 559079.