Professionals Microcement Kit for Bathrooms & Wet Rooms

100% Waterproof microcement for wet rooms and bathrooms. Complete kit for professionals.


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Quality Assured

With our extensive installation experience, which we’re happy to share and Cemher’s extensive product range, you’ll be a step ahead when it comes to taking on microcement jobs from this day forward.

Cemher’s parent company, Kilnher, have a long history of producing microcement products, which they supply as white label to almost all of the familiar microcement brands on the market. Their familiarity with the competition puts them in a unique position to develop a game-changing range of microcements.

Refreshingly, Cemher don’t adhere to the “one size fits all” approach that many of the microcement brands have adopted. Instead they have developed a number of different products to suit specific scenarios. These include; microcement for large floors and high traffic areas, the strongest microcement in the world, MicroRock, waterproof microcements for wet areas and at long last, a sealer that you can be confident in using to meet the specific demands of worktops.


Next Day Delivery
We hold a large amount of stock in the UK, so all of the products on this site are available for next day delivery to UK mainland. All we ask is that you place orders before 12pm. And if it’s a Friday, it’ll come on Monday unless you opt for a Saturday delivery.

To ensure you get the best possible value, the cost of your delivery is worked out at the checkout. But all the detailed information on prices and exceptions is available to view on our Deliveries page.

Collect in Leeds
For all items that are held in the UK, you’re very welcome to collect your order from our warehouse in Leeds. The address is Relentless Microcement, 78-79 Railway Street, Leeds, LS9 8HB. For orders placed before 4pm, they’ll be ready to collect between 9am-4pm the following day.

Large Orders
If your order is very large (over 100m2) it’s probably worth giving us the heads up in advance so that we can make sure we have the stock you need, when you need it.

Special Orders
All the items listed on the website are available for next day delivery.  If you would like to order a Cemher product that isn’t listed on the website, then contact us directly and we will arrange it for you.

Ask a Question

We know that there’s a lot to take in at first – microcement itself is quite an involved process and the Cemher range is larger than most.  

So don’t muddle through on your own.  Whether you need an estimate, technical advice, help choosing products, or just want to touch base, we are ready and waiting for your call. 

Give us a call 0333 577 2611
Send us an email

We used to recommend MicroRock for professionals installing wet rooms but over time have realised that Microne is actually just as good.  The main priority for wet rooms is that they are completely waterproof and offers Microne is just that.

You often find that wet rooms have all sorts of intricate details that take time to coat – and the last thing you need is to be against the clock with a product that sets in less than an hour.

With Microne, you have unlimited time to perfect your work, and get the finish that your clients are hoping for right, first time, every time.

In this kit we have included a coat of AquaMax Extreme, so you can be sure that you’ll get a strong, durable, professional finish.

This kit contains everything that you’ll need to complete a microcement wet room install.

MicroDur Base is ideal as it’s one of our strongest, most durable microcements, it’s also easy to mix and apply with a long working time of up to 3 hours.

MicroDur is a mono-component microcement, which is mixed with water – this makes it stronger than resin-based bi-component microcements as the cement actually reacts with the water to form concrete. MicroDur contains powdered additives give it flexibility, strength and prevent cracking.

Once the MicroDur Base is applied and you’ve given it time to dry, you’ll be applying the Microne Medium.  Microne Medium is available in either a Stucco Effect or Continuous Effect – so you can be sure you’ll get the look that you want. Either way, the Microne Medium is strong and smooth, it’s just the “visual texture” that will vary depending on your choice.

Once the Microne is complete, you’ll be sealing it with AquaMax Dur – this is a 2 part polyurethane sealer which can be rolled on with a microfibre roller. And then AquaMax Extreme/MaxiPur to give it a hard coating. These coats will finish your work off nicely, whether you go for matt, satin or gloss.

Choose between our two highest quality sealers: Water based, AquaMax Extreme or Solvent based, MaxiPur.

Because it’s solvent based, MaxiPur will naturally repel water, giving it a slightly higher level of stain resistance, it’s also slightly thicker than AquaMax Extreme which makes it easier to get good coverage.  Good ventilation and protective masks are essential during the application of MaxiPur as it emits a strong chemical odour whilst wet.

AquaMax Extreme is also a very good sealer for microcement.  It is extremely hard and has a high resistance to scratches. Use a medium pile roller to ensure good coverage.  Unlike MaxiPur, AquaMax Extreme is relatively odourless.

Colours are weighed out for you so all you have to do is add them to the mix.

You will also find a step by step which is specific to this kit and an  installation guide in your delivery.

Consumption per 10m2
Fibreglass Mesh 10m2
Primer (100 or TAC) 1l
MicroDur Base 20kg
Microne Medium (Continuous or Stucco Effect) 10kg
AquaMax Dur 20% (Matt, Satin or Gloss) 1l
AquaMax Dur 20% HARDENER 200ml
AquaMax Extreme / MaxiPur (Matt, Satin or Gloss) 1l
AquaMax Extreme / MaxiPur HARDENER 200ml/500ml
Premixed Colours – Weighed Out for 10kg 2 Bottles

Bi-Flex Steel Trowel
Microcement Mixer Head & Drill
Clean Mixing Bucket
Measuring Jug
Weighing Scales
40/80 & 220/240 Grit
Medium Pile Roller & Tray

This refers to the surface or “substrate” that you will be applying the microcement to. Absorbent substrates include plaster, concrete, screeds, cement board and composite timbers. Non-Absorbent substrates include tiles, marble, metals and plastics.

We will supply you a different primer depending on the surface, namely Primer TAC for non-absorbent surfaces and Primer 100 for absorbent ones.

If you have a mixture of absorbent and non-absorbent substrates, then you can either let us know at the checkout and we can provide a different primer for each 10m2 or purchase an additional primer. Consumption rate is 1l per 10m2.

Choose between a more uniform or “continuous” effect or a “stucco” effect. Both are smooth to touch but the “stucco” will have more visual texture and some colour variation, sometimes described as a “cloudy” texture, whereas the continuous effect has a more uniform, gentle texture.

To get the full benefit of the stucco effect, you’ll need to trowel the top coats on very thinly, removing all the excess with your trowel.

With 40 colours to choose from, it’s worth taking some time to make sure you have chosen the right colour.

We’ve tried to represent the colour as accurately as possible by providing images of each colour and an image of it in situ. You can view large versions of the swatches and images on Colour Options. Please be aware, however that colours can vary quite dramatically from screen to screen. So to make sure you’ve found the right colour for your project, we’d highly recommend that you buy a Colour Swatch or Swatch Book so that you can see it for yourself.

It’s also a good idea to take it into the room and place it against the wall and floor to see how the colour is affected by the light in the room. As with paints, different lighting can give a very different impression of the colour.

All the products are made up in batches of 10m2. So we can give you a different colour for each 10m2 but we won’t be able to break them down any further than that. If you would more than 1 colour and can split them into 10m2, then just select one of the colours and leave us a note at the checkout to tell us which other colour you would like and how many m2 of each.

If you require more than one colour but not in 10m2 batches, then you can choose one of the colours for your kit and buy the second colour separately. You will then need to weigh the colours out for yourself – you can work out how much colour to weigh for each 1kg of product by dividing the no. grams colour per 10kg by 10. The no. grams per 10kg will be shown on the colour pigment bottle. It’s important that colours are weighed accurately using scales that go down to 0.01g, failure to do so will result in colour variation across batches.

If you need more than 40m2, then please get in touch and we will work out the cheapest price for you.

All our products are supplied in multiples of 10, so you’ll need to round up to the nearest 10m2. Unfortunately we can’t supply kits in different quantities as it would mean opening the tubs which would reduce their shelf life.

Microcement is a cement-based render that can be applied to a wide range of surfaces to give a seamless, durable finish with an appearance that is similar to polished concrete. It is applied in four very thin coats giving a finished depth of just 3-4mm – and can be done by homeowners with the help of a DIY kit and some basic guidance.

It can be used to completely transform the look of existing surfaces (including plaster board, composite timber and painted walls) or as an alternative to tiles and other finishes across floors, walls, wet rooms or worktops. Because microcement is applied to surfaces in situ, it can be applied seamlessly without the need for joins or grout lines – making it easier to keep clean.

You’ll be using a trowel to apply 4 coats of microcement one after the other onto your surface. The surface will need priming and meshing beforehand and sealing once it has had time to dry.

For a more detailed breakdown of the steps involved, please see the installation guide and step by steps:

Professionals Microcement Kit for Wet Rooms 10m2 Step by Step
Professionals Microcement Kit for Wet Rooms 20m2 Step by Step
Professionals Microcement Kit for Wet Rooms 30m2 Step by Step
Professionals Microcement Kit for Wet Rooms 40m2 Step by Step

Microcement Installation Guide

If you are completing a DIY project in your own home then this kit is ideal. The DIY Kits aren’t quite as strong as the Professionals Kits but they’re pre-mixed and waterproof so easy to work with & apply.

Tradespeople, including plasterers, who haven’t used microcement before will need to spend some time familiarising themselves with the processes and techniques to achieve professional results. And we would recommend starting with the DIY kits.

There are two things that you/they will need to bear in mind to complete a microcement install successfully:

1. Process – familiarise yourself with the process in advance, don’t skip any steps and respect the drying times.

2. Technique – use the grain as a level, go as tight as you can with each coat, complete an area using small random trowel movements, then blend it into the previous section, removing any excess as you do so.

The process is very similar whichever DIY Kit you choose, however they each contain products with small differences that make them more suitable for the end use. The DIY Kit for Floors has a thicker base coat and a hard sealer where the wall kit is more focused on getting a good visual texture and smooth finish for example.

You’ll need to leave it 48 hours once the last sealer has been applied to give it time to harden. And then ensure light use only for the first 14 days.

Like all cementitious products, microcement takes 28 days to fully harden. Any heavy work is not recommended, but if it does take place then we recommend that you cover the microcement with a breathable material or only cover down whilst working and lift the protection off for the majority of the time.

You can microcement onto almost any surface as long as it is smooth and free from movement. You may need to prepare the surface for microcement before you start.

Some of the more common surfaces that you can microcement onto, are listed here:

Cement Board, Composite Timber Boards, Plaster Boards, Painted Walls, Plastered Walls, Concretes, Screeds, Self Leveller, Tiles, Plastics, Metals, Marble.

Use hard shower trays that are suitable for vinyl floors. Firmly fix the shower tray in place to eliminate the chance of movement. Board shower area walls right down to the shower tray. Ensure boards are firmly fixed in place.

Silicone the joint between the boards and the shower tray/floors. Do not smooth out the silicone, leave to dry overnight and razor scrape off the excess. No silicone should be left on the surface.

There should be no gaps in any of the surfaces that are to be microcemented.  Ideally walls will be plaster boarded and skimmed.

As long as there is no risk of movement, tanking is not required.

Our installation guide includes a detailed explanation on how to prepare a wide range of common surfaces for microcement:

Microcement Installation Guide

This isn’t the best kit for using outdoors, external surfaces need the hardness and protection that comes with the Professionals Microcement Kit for External Surfaces instead.

Microcement surfaces can be cleaned with any pH neutral cleaning products.

Do not clean microcement surfaces with aggressive or descaling products, such as those which contain chlorine, bleach and ammonia as they can damage the sealers.

Use Cemher Floor Protect every 2 -3 months to protect you microcement and to help build up the sealers.

Weight 70 kg

Gloss, Matt, Satin


Acerco, Bison, Bora Bora, Chocolate, Concreto, Coral, Crater Volcanico, Deer, Diamond, El Alamo, Escorial, Everest, Galaxy, Giallo Horus, Gobi Dessert, Grafeno, Heno Viejo, Industrial Chic, Malta, Midas, Montblanc, Nebulosa, Nepal, Nicuragua, Obsidiana, Ocean, Other, Parrot, Piedra de Lago, Poseidon, Red Planet, Roca Alpina, Safari, Selentia, Silver, Smoked Topaz, Sunset, Tiede, Titanium, Vino Blanco, Vino Tinto

No. m2

10m2, 20m2, 30m2, 40m2, 50m2, 60m2, 70m2, 80m2, 90m2, 100m2


Absorbent, Non Absorbent


Continuous Effect, Stucco Effect


Water Based, Solvent Based

Delivery & Collection Options