Marmox Multiboard Tile Backer Board - A Range of Sizes & Thicknesses Marmox Multiboard Tile Backer Board - A Range of Sizes & Thicknesses MARMOX Marmox Multiboard Tile Backer Board - A Range of Sizes & Thicknesses from Tile Fix. Find Marmox products in our huge range of Wet Room Supplies. Free delivery on orders over £150. Tile Backer Insulation Boards > Standard Tile Backer Boards > Marmox Marmox-Multiboard-Tile-Backer-Insulation-Boards C-Marmox-Multiboard-Tile-Backer-Insulation-Boards 10.27 TileFix Direct
Marmox Multiboard Tile Backer Board - A Range of Sizes & Thicknesses

Hover over the image to zoom. Click the image for a popup.

Marmox Multiboard Tile Backer Board - A Range of Sizes & Thicknesses

Item #:
Your Total

Mainland UK Delivery: FREE on orders over £150 ex. VAT *

* Requires cleared funds and all items to be in stock.

Seen this item cheaper? Price Match

Price matches are subject to review from our team and will take 24 - 48 hours to be approved

Name *
Phone *
Email *
Qty *
Product *
Best Price *
£  (Inc. VAT and Delivery)
Postcode *
Website *
Conditions apply. Please check before submitting.

The original Marmox board is ideal for a whole suite of applications - probably why it's one of our most popular products! Marmox Multiboard is ideal for many applications and comes in a range of board sizes and thicknesses.

Multiboard is primarily used as a lightweight tile backer board. This ensures that tiles and coverings are safely and securely fixed in place. As well as internal use, it's also certified for external use. This means that it can be used as an external tile backer board and can also be used outside underneath a coating of render.

Multiboard is also completely waterproof and can be used as a bonded waterproof assembly. The unique patented surface of Marmox Multiboard allows for heavier tiles to be installed, giving you freedom of choice. As it is completely impermeable to water, it is perfect in areas prone to moisture, making it a good waterproof tile backer board option for anyone looking to tile a bathroom or kitchen.

Another key benefit that this product provides is thermal insulation. Whilst the 6mm and even 4mm will provide a degree of heat retention, boards with thicknesses of 10mm and trap enough heat to be used as insulation boards. Being so lightweight, you can use Multiboards for insulation on walls, floors and ceilings and noticeable benefits can be seen in 10mm and 20mm Marmox boards.

Finally, Marmox Multiboards can also be used as decoupling membrane. This prevents your tiles and grout from cracking due to horizontal movement in your floor. You can also use it with underfloor heating wire, creating a thermally efficient decoupling layer for use with your underfloor heating system.

Always use a a C1 cement based adhesive for Marmox Multiboards for plastering and light or medium weight tiles. For heavier tiles like porcelain you should always use a flexible adhesive categorised as a C2. This is also true if you are using these boards externally, on floors, or in wet areas.

If you're using this underneath a carpet it's always advised to use a thin sheet of 10mm ply or a fibre reinforced flooring compound over the top before the carpet is laid down.

You can buy Marmox Multiboard from us in range of sizes and thicknesses

Key features and benefits include:

  • Size: 1250 x 600 x 4mm
  • Easy to cut
  • Designed to take the heaviest of wall tiles
  • Excellent heat insulation

Minimum order quantity: 10

The Range of Marmox Boards

Take a look at all the sizes of Marmox Tile Backer and Insulation Boards available through Tile Fix Direct.

Board Code Dimensions Length
MX4MM Marmox Multiboard 4mm 1250 x 600 x 4mm Standard
MX6MM Marmox Multiboard 6mm 1250 x 600 x 6mm Standard
MX10MM Marmox Multiboard 10mm 1250 x 600 x 10mm Standard
MX20MM Marmox Multiboard 20mm 1250 x 600 x 20mm Standard
MX30MM Marmox Multiboard 30mm 1250 x 600 x 30mm Standard
MX50MM Marmox Multiboard 50mm 1250 x 600 x 50mm Standard
Marmox Multiboard 10mm MX625-10 2500 x 600 x 10mm Long
Marmox Multiboard 12.5mm MX625-125 2500 x 600 x 12.5mm Long

If you're looking for more installation on Marmox Multiboard installation, please see below:

Watch the Marmox installation guide and Marmox Systems Installation Instructions.

If you're looking for a technical approval for for construction certificate, please see below:

Marmox Multiboard BBA Certificate.

Features & Benefits of Marmox Multiboard Waterproof Insulation Boards

Key features and benefits of these boards include:

  • Available in 1250mm and 2500mm board lengths
  • Available in a range of board thicknesses from 4mm up to 50mm thick
  • Easy to cut using a standard working knife and is CFC & HCFC & Asbestos free
  • Designed to take the heaviest of wall tiles, load bearing - 40 tonnes/m2
  • Can be used for waterproofing and creating bonded waterproof assemblies
  • Excellent heat insulation and can be used as an insulation board
  • Can be used as a decoupling membrane, allowing movement in the floor whilst not affecting your coverings
  • Suitable for both internal and external use
  • Reduces impact sound by 25 decibels
  • High flexural strength
  • Completely unaffected by freeze and thaw cycles

We have minimum order quantities on these products designed to give you the best rate possible. Because of the nature of these boards occasionally they do get damaged in transit - where this happens we will always replace the damage boards. To avoid this - and to get the best rate on the market - we always advise buying these boards by the pallet where possible.

For full installation instructions please see the Marmox Systems Installation Instructions.

Marmox Multiboard BBA Certificate.

Delivery Times

Delivery times are Monday through Friday (excluding Bank Holidays) from 7:30am - 6:00pm. Most deliveries leave on Express Delivery for 1 - 2 working day delivery service.

A 'working day' is Monday to Friday, excluding bank holidays. Weekends and bank holidays do not count as working days.

FREE 1-2 working day delivery service for all orders over £150 (excluding VAT). This excludes shower screens, Pallet Adhesives, Lustrolite and special order items. Conditions apply - see Delivery page for further details.

Saturday deliveries are available for Mainland UK only and are for orders over £150 (excluding VAT). There is an additional charge of £15 (excluding VAT) for a Saturday delivery.

Delivery Damages

It's important that you indicate the damages on the delivery note when you sign for the goods. Notify Tile Fix Direct by emailing us or calling our advice line on 0333 320 04 24 if there are any damages or irregularities to your order within 24 hours of delivery.

Delivery Costs

For additional information on delivery costs, please visit the main Delivery page.

Tile Fix Direct
1 Hollybush Lane,
GU11 2PX, GB.
0333 320 04 24
Business hours are 08.00 a.m. to 16.00 p.m. Monday to Friday. Local Time is (GMT).
© 2021 Tile Fix Direct. All rights reserved. Terms & Conditions.
Company No. 1224335 | VAT No. GB 213 1387 01.