Marmox (UK) Ltd

Caxton House
101-103 Hopewell Drive
United Kingdom

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Today 09:00 AM - 05:30 PM (Currently Closed)
Fax: 01634 835299
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Marmox (UK) Ltd specialises in the manufacture and supply of waterproof insulation materials for use in the construction and refurbishment industries. We offer a range of well-made products and comprehensive technical support based on over 40 years of experience in the design, production and specification of construction materials. Our product portfolio includes:

  • Multiboard waterproof insulation boards
  • Pipe boxing
  • Bath panel kits
  • Showerlay
  • SoundBoard sound reduction boards
  • ThermoBlock thermal insulation boards
  • Wood wool panels
  • Installation accessories

You can find out more about each of these in the sections below. Further information, including installation advice, can be found on the Marmox (UK) website. 

Marmox works closely with its customers to develop products that meet market demands: we listen to their problems and produce practical, cost-effective solutions. If you would like to discuss an idea or concept with a member of our design team, just give us a call on 01634 835290. 

Multiboard - Visit our website

Multiboard is the original Marmox waterproof insulation material – designed for a range of construction/renovation applications. It can be used to insulate and waterproof walls, floors and ceilings in just about any environment, and is available in various thicknesses ranging from 4mm to 60mm. Boards that are more than 10mm thick are ideal for wall installation prior to plastering, while those below 10mm are more suitable for covering floors before tiling.  If using beneath a carpet, we recommend that a thin sheet of ply (10mm) or a fibre reinforced flooring compound be used over the top of multiboard before the carpet is laid.

Pipe Boxing - Visit our website

Pipe boxing from Marmox is the ideal solution for hiding unsightly pipework. It is designed to enable fast, easy and clean boxing-in of exposed pipes, and being completely waterproof, is ideal for use in shower and wet rooms. Pipe boxing panels come in 1.25m lengths as standard and can be placed on top of one another for a full height solution. They are easy to cut with a knife or saw and are specially formed to produce a 90° right angle when folded. A double-sided, self-adhesive tape with a waterproof finish is situated within the fold in order to hold the board in place.

Curved Board - Visit our website

Our time and cost-saving curved boards can be used to clad, waterproof and insulate archways and curved walls, and also to create curved bathroom panels, curved partition walls, moulded tiled seats, rounded cubicles and other such fittings. Boards can be curved inwards (closing the serrations) or outwards (opening the gaps between the cuts), depending on the situation. Both configurations allow you to plaster or tile on top of the board. For information and advice on curved board installation, please visit Marmox online or contact our expert technicians 01634 835290.

Bath Panel Kit - Visit our website

Marmox bath panel kits have been designed for easy installation around most types of bath. Panels can easily be cut to the required length and their height adjusted using the feet supplied. They are lightweight, fully waterproof and ready for tiling. The bath panel kit is made up of:

  • 1 x 600 mm x 1800 mm x 30 mm Marmox Board
  • 1 x 600 mm x 800 mm x 30 mm Marmox Board
  • 4 x Adjustable Feet

For installation advice, please visit Marmox (UK) online. 

Showerlay - Visit our website

Showerlay is the easiest wetroom system available on the market. Nowhere will you find a waterproof tray that is as quick and simple to install. Showerlay can be easily cut into any size or shape, allowing you to form a tailored floor-level panel that’s ready for tiling. It’s light, it’s flexible and it can be fixed to both timber and concrete flooring.  Showerlay has been made to fit with the Marmox Dallmer drain system, which easily screws through the top and bottom to create a watertight seal. A large range of designer drain grates are available for you to choose from (see below).

Showerlay Linear - Visit our website

Marmox Showerlay Linear is designed to provide an even more effective drainage solution. It works by creating a slope that enables water to trickle down to the drain, rather than allowing it to sit on the surface (and thus creating a hazard). There are four linear drain versions for you to choose from, each with a different design. Find out more about Marmox Showerlay Linear and how it works by visiting Marmox (UK) online.

Drain Grates - Visit our website

We understand that the appearance of a wetroom is, in many cases, just as important as its functionality. With this in mind we have increased our range of drain grates to include an extra 12 designs made from high quality mirrored stainless steel – all of these are compatible with the Marmox Showerlay drainage system. With a variety of styles to choose from, you’ll be able to complement almost any interior design. Take a look at our brand new range of drain grates by visiting Marmox (UK) online.

Sound Board - Visit our website

Looking to reduce the levels of noise in your home or hotel? Marmox SoundBoards might just be the answer. Unlike many other soundproofing options, our sound reduction boards have the added advantage of being fully waterproof, which means you can install them in a kitchen or bathroom without worrying about damage caused by splashes. 

Each board features a layer of non-rigid material that absorbs sound vibrations as they make their way from tile to floor. This significantly reduces the impact of footsteps and other sounds, making for a much more peaceful environment. 

Thermoblock - Visit our website

Thermoblock is a waterproof insulation material with excellent compressive strength and outstanding thermal properties. It offers one of the easiest and most affordable ways of cutting the amount of energy used in a home, office building or public premises. 

Thermoblocks are available in two sizes (100mm and 140mm), are BBA-certified, and have a compressive strength of 6.5N/mm², making them suitable for use in supporting walls. Thermal conductivity, meanwhile, ranges from 0.052 to 0.75W/mK, making it fully compliant with Part L of the Building Regulations for England and Wales and Section 6 of the Scottish Building Standards. 

Wood Wool - Visit our website

Our Heraklith wood wool panels offer all the insulating and protective properties of wood but in a single, convenient format that’s easy to install and easy on the eye. As well as providing a high level of thermal and sound insulation, these eco-friendly panels have a natural, attractive appearance that’s ideal for any environment. They are available in a range of colours and can be used on walls, floors and ceilings. Heraklith panels also offer up to 90 minutes of fire protection. To find out more, visit Marmox (UK) online or contact us directly on 01634 835290.

Accessories - Visit our website

We offer a full range of accessories for installing our waterproof insulation boards and other Marmox products. They include:

  • Marmox Acrylic Sealant – forms a safe and permanent bond with most materials, including polystyrene, concrete, metal and plastics. 
  • Marmox Fixing Brackets – includes wall brackets, joint brackets and perpendicular brackets for board installation. 
  • Marmox Fixing Dowels – offer a fast and secure method of fixing Marmox boards to brick, concrete or block walls. 
  • Marmox Internal Corners – for a complete seal between board and board/floor/ceiling.
  • Marmox Reinforcing Tape – a self-adhesive, glass fibre mesh skrim tape for covering the joints where Marmox boards meet. 
  • Marmox Washers – designed to grip tightly to surfaces and provide a near-flush finish. 



Registration Number: 03981743
VAT Number: GB754 0205 61
Registered at Companies House:27 April, 2000 (23 years and 11 months ago)
No of Employees: n/a
Annual Turnover: n/a
Parent Company: part of the Marmox International group
Company Type:
  • Manufacturer
  • Distributor

Opening Times

Monday 09:00 AM - 05:30 PM
Tuesday 09:00 AM - 05:30 PM
Wednesday 09:00 AM - 05:30 PM
Thursday 09:00 AM - 05:30 PM
Friday 09:00 AM - 05:30 PM
Saturday Closed
Sunday Closed

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Additional Information

Brand & Trade Names

  • Heraklith A2 A range of extremely high fire resistant woodwool boards with insulating mineral wool designed to offer acoustic and thermal insulation and 180 minutes of fire protection. The boards are 0.6m x 1m and range in thickness from 50mm to 125mm.
  • Heraklith Combi-EPS A range of wood wool panels with varying thicknesses of EPS layers for waterproof acoustic and thermal insulation. High compressive strength make these suitable for under floor use.
  • Heraklith Combi-Rock A range of Heraklith woodwool panels with layers of ECOSE environmentally friendly rock-mineral-wool. Provide enhanced thermal and acoustic insulation in thicknesses from 85mm to 155mm.
  • Heraklith Panel A solid Wood Wool board (600mm x 2000mm) providing thermal and acoustic insulation. Suitable for external or internal walls and cladding. With a breathable render reduces interstitial condensation.
  • Marmox Board Marmox Boards are high performance, reinforced, insulation boards made of waterproof extruded polystyrene, each side faced with fibreglass mesh embedded into a cement polymer mortar. Marmox Boards are the perfect solution for insulating and waterproofing in one operation.
  • Marmox Shower Stone Stylish, solid shower tray, pre-laid to falls.
  • Marmox Showerlay Reinforced, extruded polystyrene, pre-laid to falls shower base, ready to be tiled. Available in various sizes, centre and offset drain position.
  • Marmox Thermoblock Load bearing (6.5N) thermal bridging blocks used at the base of a wall to stop heat loss. They are 65mm high and available in brick width (100mm) or block width (140mm)

Company Certifications

ISO 9000:2015 - Quality management systems – Fundamentals and vocabulary

Financial Information

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