Multiboard tile backer board by marmox is the ideal backing board to use with our slate and stone veneers. 


This multiboard product item is for the 1250 x 600 x 10mm boards, sold per box with 6 boards in a box. 


Our price includes VAT and delivery for one full box. We do not offer part boxes or single boards. Other sizes, thicknesses and accessories are avaialble please contact us for information on these items. 


Here are the features of the product - 


The original ‘Marmox board’ is the perfect solution for insulating and waterproofing in one operation. The Multiboard is lightweight and very easy to cut with a saw or knife. Marmox Multiboard has been tested to hold a tile weight of 100kg/m2, double that of plasterboard and stronger than other tile backer boards. What are they are made of? Marmox Multiboard is made of extruded polystyrene and is fully waterproof and vapour proof, not allowing any water or steam to pass through it in the way expanded polystyrene boards do. Each face of the Multiboard is covered with a close woven fibreglass mesh embedded in a cement polymer mortar. Sizes Marmox Multiboard is available in 3 sizes; standard board comes boxed and is 1250mm x 600mm. Long board is 2500mm x 600mm (pallets only) and Big board is 2400mm x 1200mm (pallets only). Please note long board & big board is NOT in cartons but are shrink wrapped and edge protected. 


Water proof and suitable to use showers and wet rooms and on external cladding projects. 

Multiboard Tile Backer Board

  • Delivery and Payment

    • Delivery time is 5 - 10 working days. 
    • You can order through our website using all major credit and debit cards or your PayPal account. You do not need to have a PayPal account to pay through our online store.
    • If you do not wish to order online please call us. We can take card payments over the phone and we accept bank transfers.