Thermosphere Coated Insulation Boards

£154.95£188.95 Incl. VAT

Free delivery over £250 (Exceptions Apply)
Next Day Available | 30 Day Return Policy
Further Delivery Information

Product Overview

Thermosphere Coated Insulation Boards create the ultimate substrate. Replace ply for strengthening floors. They can also be fixed directly to timber or metal stud work instead of plasterboard. These coated panels can be used to replace ply. They can also strengthen floors or cover old tiles and plaster.

Related fixing components

  • Fixing Washers
  • Fixing Screws
  • Joint Tape

Please note: This item is not held in stock. Order before 2pm to receive within 3 days of purchase.

Thermosphere Coated Insulation Boards Features

  • 100% moisture and rot proof
  • Provides exceptional stability for tiling
  • High thermal insulation properties
  • Lightweight and workable
  • Replaces wet finishes
  • Perfect for underfloor heating


  • 6/10mm Thickness
  • 1200 x 600mm
  • BS EN 13164, BS EN 12087

Technical Data

  • Compressive Strength: 300 kpa
  • Thermal Conductivity: 0.033 W/Mk
  • Water Absorption: 0.6%
  • Density (foam): 36Kg/m3
  • Temperature Range: -50OC to +75OC
  • Fire Performance: Class 0

Delivery Information

We have multiple delivery options

  • Next Day Carrier
  • Delivery From Branch 1-5 Working Day
  • Pallet -1-3 Days
  • Standard 1 -3 Day Carrier
  • Economy 1-3 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 £250, exceptions do apply.

Click And Collect

Please note that our stock levels are not live. Please contact your local branch prior to purchase, so that we can ensure the product is available to you. If the product isn’t available, we can organise this through an alternative branch.


  • 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. Saturday Delivery can be made upon request, depending on availability.
  • An email will be sent when your goods leave us via Carrier, this email will include tracking information. If your order is delayed for any reason, we will contact you.
  • If delivery is from a Branch, then a member of our team will be in contact with 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.




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