Thermosphere Decoupling Membrane for Electric Underfloor

£18.05£270.15 Incl. VAT

Free delivery over £150 (Exceptions Apply)
Next Day Available | 30 Day Return Policy
Further Delivery Information


ThermoSphere Decoupling Membrane is a combined electric underfloor heating system. Consisting of a decoupling membrane layer that encases our innovative electric heating cable. 

Our unique TwistedTwin cable technology designed to reduce cable stress. Creating a safer, easier to install and longer-lasting cable superior to anything else on the market, backed up by a lifetime guarantee.

ThermoSphere Membrane is the fastest and easiest way to create a heated wetroom. Its advanced waterproofing properties make it perfect for the kitchen and bathrooms. Installations onto walls, with the use of waterproofing tape and paste, makes this the ultimate system for a wetroom.

Thermosphere Decoupling Membrane Suitable for use on:

  • Anhydrite Screeds
  • Timber/Plywood Structures
  • Hardwood Floors
  • Synthetic Flooring

Depending on the floor construction thermosphere insulation boards are required – Please see the Datasheet below for more information.

Thermosphere Decoupling Membrane Datasheet

Datasheet – Membrane

Membrane Installation Guide

Installation Guide – Membrane

Thermosphere Membrane Role

Delivery Information

We have multiple delivery options

  • Next day carrier
  • 2-3 day carrier
  • Click & Collect from store


The cost of the carriage will be displayed before your final checkout. Free delivery is available on most items for orders over £150, exceptions do apply.


  • Orders will only be dispatched and delivered on weekdays.
  • Orders for the next working day delivery must be placed before 2 pm, this gives us time to pick and pack before the carrier arrives to collect.
  • We aim to dispatch all carrier delivered items within 48hrs, and all items delivered on our own transport within 5 days, Monday to Friday.
  • A dispatch email will be sent when your goods leave us, if delivery is by the carrier, this email will include tracking information. If your order is delayed for any reason, we will contact you.


We pride ourselves on our customer service but mistakes can happen. If you receive an incorrect or faulty item, please notify us within 30 days to arrange a refund, return or exchange.

Thermosphere Membrane Role