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Marmox - Insulation & Waterproofing Solutions

Marmox (UK) Ltd is a British-owned company and part of the International Group of Marmox companies. Marmox manufacture and distribute a range of specialist building products for the construction and refurbishment industries all over the world.

In the UK Marmox specialises both in being the premium supplier of waterproof, thermally insulating tile backer boards, shower bases and other tiling related products, in addition to Thermoblock, our unique insulation product to combat thermal bridging.

Our products are available to clients across the UK and are entirely free from illegal substances, including HBCD. Improve the look and functionality of your customers' properties with products for wet rooms, as well as underfloor heating insulation, floor insulation boards, shower trays and bath panels. From architects to builders and project managers, we offer a variety of solutions and products that will make you and your customers' lives easier.

From Marmox Multiboard to Showerlay and bath panel kits, our wide range of fire protection, sound absorption, wall insulation and floor insulation products are available from stockists across Kent, London and the rest of the UK. All of our sound proof insulation and wet room bathroom products have installation guides on the corresponding pages, so you will be able to easily supply and install all of our products to your customers.

To discuss your insulation product needs, call us today on 01634 835290 to speak to one of our friendly and helpful team members, or send us a message through our contact page and we will get back to you as soon as possible.


Marmox products are available throughout the UK and Ireland through a network of national builders merchants and distribution outlets. Marmox supplies a range of high-performance insulation, wet room products, waterproofing, and dry lining products, including:

Click here for NBS Specification (including BIM) of our products


Wetroom Design

For anyone building a wet room in their home, installing the right waterproofing insulation requires careful planning.

Wetroom Design

Thermal Bridging

Professionals are being advised to 'block it out' when it comes to thermal bridging, ensuring energy-efficient homes.

More information

Impact Sound Reduction

Sound Reduction and Thermal Insulation - helping you reduce excessive impact noise.