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ProWarm™ LoFlo™ MAX Overlay Boards 800x600x18mm

From £17.99
Now £17.99
in stock, ready to be shipped
ProWarm™ LoFlo™ MAX Overlay Boards 800x600x18mm
From £17.99
Now £17.99
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Need advice or a better price?

Call our expert team 01268 567016

Fast & Reliable Delivery

For delivery on Tuesday

When ordered before 4pm (On weekdays)
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Add your area dimensions and we'll calculate how many boards you need

ProWarm™ LoFlo™ Max Overlay Boards feature an 18mm high-density dry gypsum fibre board that serves as a highly efficient heat conducting surface. This innovative system effectively transfers heat from the underfloor heating pipes to the floor above, providing a comfortable and evenly heated environment. With its low build-up height and easy installation, LoFlo™ Warm-Panels are well-suited for various underfloor heating applications.

The LoFlo™ Warm-Panels are compatible with all types of floor coverings, making them a versatile solution. This system is specifically designed for use with 12mm pipework, ensuring optimal performance and efficiency.

Key Features

  • Ready-Made Pipe Spacing: The Warm-Panels provide pre-determined pipe spacing, ensuring accurate and consistent heat distribution throughout the heated floor area.
  • Suitable for All Floor Constructions: Whether it's a retrofit or new construction project, the LoFlo™ Warm-Panels can be installed on top of any level floor construction, providing flexibility and convenience.
  • Ideal for Large Areas: These panels are particularly suitable for large regular-shaped areas, offering an efficient and uniform heat spread.
  • Quick Installation and Direct Tile Laying: The Warm-Panels facilitate quick and straightforward installation, allowing tiles to be laid directly on top for a seamless finish.
  • Low Profile: With a thickness of only 18mm, the Warm-Panels maintain a low profile, minimizing any impact on floor height and ensuring compatibility with various flooring systems.
  • High Heat Output: The Warm-Panels can achieve impressive heat outputs of up to 104.4 w/m2*, providing excellent warmth and comfort in any space.
  • Dimensions: Each Warm-Panel measures 800mm x 600mm x 18mm (width x length x thickness), offering a practical and versatile size for installation.
  • Independently Tested: The Warm-Panels have been rigorously tested and independently certified by BSRIA, ensuring their quality, performance, and reliability.

Experience the exceptional performance and ease of installation provided by ProWarm™ LoFlo™ Max Overlay Boards 18mm. Create a comfortable and efficiently heated living space with this reliable underfloor heating solution.

Floor Heat Output (w/m2)

Flow Temp°C Finished Floor Covering
Tile Wood Floor 6mm Ply/ Carpet 1.5 Tog
55/50 104.4 77.0 64.1
50/45 87.7 64.7 53.9
45/40 71.1 52.4 43.7
40/35 54.4 40.1 33.4
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Our customer support is available Monday to Friday 7am-6pm.

Call us on 01268 567 016

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Free delivery on all orders

At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.

We're proud to offer a range of delivery options to suit you, including free delivery on all of our orders or next working day delivery for a fixed price of £4.99

  • 2-3 working days delivery - FREE (Order before 4pm Monday - Friday)
  • Next working day - £4.99 (Order before 4pm Monday - Friday, applies to orders over £19.99)
  • Next working day before 10.30am - £14.99 (Order before 4pm Monday - Friday)
  • Saturday delivery - £29.99 (Order before 4pm Monday - Friday)
  • Free collection from our Basildon warehouse in Essex

Explore our full delivery policy

30 days returns policy

At The Underfloor Heating Store, our customers have 30 days to upgrade, replace or refund their orders.


At The Underfloor Heating Store, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund. Learn more.


We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement. Learn more.


Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order. Learn more.

Lifetime warranty

At The Underfloor Heating Store, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a lifetime warranty for our ProWarm range of products.

Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.

Find out more

We'll beat any price

At The Underfloor Heating Store, our main priority is customer satisfaction. To cement our commitment to this, we are proud to offer our Underfloor Heating Price Match Promise. If you find a lower price on an identical product anywhere else, we will match it – guaranteed!

Discover our promise

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