Cemher Iron Micrometal + Metal Resin

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Rated 4.5/5 by hundreds of happy customers

£35.00£176.00 (incl. VAT)

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Micrometal, fine spherical iron powder is mixed with Cemher Metalresin Comp B to create a liquid metal that can be applied by trowel to create seamless metallic surfaces. Once dry, the metal can be oxidised with Oxhider Activator to create an iron rust effect or polished to create a reflective, metallic surface.

  • Liquid metal applied by trowel for seamless metallic surfaces
  • Oxidise for iron rust effect or polish to create a reflective, metallic surface
  • Apply seamlessly by trowel

Pour the Resin into your mixing bucket, and mix in the MicroMetal & mix thoroughly.

Let the mixture rest for a few minutes before applying. Keep a lid on it between coats.

Using a Microcement Trowel, work your way out from one corner creating a random edge pattern. Keep trowel movements small and random, avoid long sweeping arches – as these will show through to your final finish.

Use the grain in the liquid metal as your level – if you apply it thicker than the size of the grain, the finish won’t be as strong and will require a lot more sanding. Run the trowel back over each section that you have put down to smooth it out and remove excess product.

Run your finger or a corner trowel along internal corners to push the microcement into the corner and then gently trowel away the excess product.

Oxidising the Metal

Leave the metal for around an hour before applying Oxhider Activator. The metal doesn’t need to be completely dry, in fact if it is still a bit wet it will oxidise quicker. Pour the Oxhider Activator into a spray bottle and spray it directly onto the metal. You may need to dab the excess off with a sponge to stop runs.

Leave to oxidise. Don’t be in a rush, the longer you leave it, the more it will oxidise.

Once it is completely dry, if you would like it to oxidise more, you can sand the surface gently with a 240 grit sand paper and apply more accelerator.

Once you are happy with the level of oxidation, spray the surface with water and dab with a sponge to remove the excess water and rust.

Leave to dry, minimum 24 hours.

Polishing the Metal

Work over the whole area with a 320 grit sanding disc on an orbital sander, sand all areas evenly so that you achieve a uniform depth across the area.

The 320 grit will expose the metal, where as subsequent grits will polish the exposed metals. Before moving to the next grit ensure you are happy with the level of cut in your work.

Continue to work up the grits, increasing the speed as you go. The following table shows the relative speed for each of the grits.

320/400 low speed
500/800/1000 medium speed
3000/6000 high speed

  Oxidising the Metal Polishing the Metal
Process Apply 1 coat of liquid metal & oxidise Apply 2 coat of liquid metal & polish
Mix Ratio 1kg Metal Powder : 25ml Metal Resin 1kg Metal Powder : 25ml Metal Resin
Standard Consumption 5kg per 10m2 10kg per 10m2
Estimated Drying Time Before Accelerator:
Minimum 30 minutes
No Maximum

Before Sealers:
Minimum 24 hours
No Maximum
Between Coats:
Minimum 30 minutes
No Maximum

Before Polishing:
Minimum 24 hours
No Maximum
Tools Required Microcement Trowel
Microcement Mixer
PPE
Microcement Trowel
Microcement Mixer
PPE

Speedy Deliveries

The Relentless team complete all orders by hand and mix all colours to order.  Our highly experienced warehouse team are incredibly quick at this. Plus, we hold a large amount of stock in the UK so that we can get products out to you within the following timelines:

  • UK mainland: 1 – 3 working days
  • Isle of Wight: 2 – 4 days
  • Northern Ireland, Scottish Highlands, Off-Shore Islands: 5 – 7 days

Collect in Leeds

If you're local, you’re very welcome to collect your order from our warehouse in Leeds. Once you have placed your order we’ll contact you to let you know when it’s ready for collection.

You can view our delivery policy for more information on deliveries and collections.

  • Installation

    Pour the Resin into your mixing bucket, and mix in the MicroMetal & mix thoroughly.

    Let the mixture rest for a few minutes before applying. Keep a lid on it between coats.

    Using a Microcement Trowel, work your way out from one corner creating a random edge pattern. Keep trowel movements small and random, avoid long sweeping arches – as these will show through to your final finish.

    Use the grain in the liquid metal as your level – if you apply it thicker than the size of the grain, the finish won’t be as strong and will require a lot more sanding. Run the trowel back over each section that you have put down to smooth it out and remove excess product.

    Run your finger or a corner trowel along internal corners to push the microcement into the corner and then gently trowel away the excess product.

    Oxidising the Metal

    Leave the metal for around an hour before applying Oxhider Activator. The metal doesn’t need to be completely dry, in fact if it is still a bit wet it will oxidise quicker. Pour the Oxhider Activator into a spray bottle and spray it directly onto the metal. You may need to dab the excess off with a sponge to stop runs.

    Leave to oxidise. Don’t be in a rush, the longer you leave it, the more it will oxidise.

    Once it is completely dry, if you would like it to oxidise more, you can sand the surface gently with a 240 grit sand paper and apply more accelerator.

    Once you are happy with the level of oxidation, spray the surface with water and dab with a sponge to remove the excess water and rust.

    Leave to dry, minimum 24 hours.

    Polishing the Metal

    Work over the whole area with a 320 grit sanding disc on an orbital sander, sand all areas evenly so that you achieve a uniform depth across the area.

    The 320 grit will expose the metal, where as subsequent grits will polish the exposed metals. Before moving to the next grit ensure you are happy with the level of cut in your work.

    Continue to work up the grits, increasing the speed as you go. The following table shows the relative speed for each of the grits.

    320/400 low speed
    500/800/1000 medium speed
    3000/6000 high speed

    https://youtu.be/oYl5IxEc550
  • Specification

      Oxidising the Metal Polishing the Metal
    Process Oxidising the Metal: Apply 1 coat of liquid metal & oxidise Polishing the Metal: Apply 2 coat of liquid metal & polish
    Mix Ratio Oxidising the Metal: 1kg Metal Powder : 25ml Metal Resin Polishing the Metal: 1kg Metal Powder : 25ml Metal Resin
    Standard Consumption Oxidising the Metal: 5kg per 10m2 Polishing the Metal: 10kg per 10m2
    Estimated Drying Time Oxidising the Metal: Before Accelerator:
    Minimum 30 minutes
    No Maximum

    Before Sealers:
    Minimum 24 hours
    No Maximum
    Polishing the Metal: Between Coats:
    Minimum 30 minutes
    No Maximum

    Before Polishing:
    Minimum 24 hours
    No Maximum
    Tools Required Oxidising the Metal: Microcement Trowel
    Microcement Mixer
    PPE
    Polishing the Metal: Microcement Trowel
    Microcement Mixer
    PPE
  • Shipping

    Speedy Deliveries

    The Relentless team complete all orders by hand and mix all colours to order.  Our highly experienced warehouse team are incredibly quick at this. Plus, we hold a large amount of stock in the UK so that we can get products out to you within the following timelines:

    • UK mainland: 1 – 3 working days
    • Isle of Wight: 2 – 4 days
    • Northern Ireland, Scottish Highlands, Off-Shore Islands: 5 – 7 days

    Collect in Leeds

    If you're local, you’re very welcome to collect your order from our warehouse in Leeds. Once you have placed your order we’ll contact you to let you know when it’s ready for collection.

    You can view our delivery policy for more information on deliveries and collections.

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Frequently Asked Questions

  • Will I/my plasterer be able to apply the microcement?

    Literally 1000’s of DIYers and Trades People, who have never used microcement before, have completed successful installs, with the help of our free online training and surface prep guides.

    The process & technique are very similar whichever kit you choose, but each kit contains slightly different products with small differences to make it more suitable for the end use.

    As long as you follow all the steps, without rushing the drying times or going on too thick with the products, then we’re confident you’ve got what it takes.

  • Do you provide microcement training?

    Yes, we are committed to providing the highest quality training and support for our customers. We offer free, comprehensive online training courses and bespoke on-site training that cover everything from the basics of application to advanced techniques and finishes.

    Our training courses are led by our experienced and knowledgeable instructor, Richie, who has years of experience working with microcement. He’ll guide you through every step of the application process, from surface preparation to final sealing, ensuring that you have the skills and knowledge needed to create stunning microcement surfaces.

    In addition to our training courses, we also provide ongoing support and guidance for our customers. Our team of experts is always available to answer your questions and provide advice on everything from product selection to application techniques and maintenance.

    Whether you’re just starting out with microcement or you’re looking to take your skills to the next level, our training courses and support services can help you achieve your goals. Contact us today to learn more about our training options and how we can help you master the art of microcement application.

  • Can you help me find a microcement installer?

    Yes, absolutely, we have good relationships with microcement installers across the country and would be happy to introduce you to some in your area.

    Just for complete clarity, whilst they do use our products regularly, we are not affiliated with them, we’ll just sharing their contact details for your information.  Any agreement that you make with them is between yourselves.

    Please get in touch if you would like us to send you a list of installers in your area.

  • How should I prepare my surface for microcement?

    There’s absolutely loads of information on preparing surfaces for microcement in our Surface Prep guides. The prep varies, depending on the substrate, but there are some generic rules that apply to all surfaces.

    Here are the golden rules to follow when preparing surfaces for Microcement.

    • Surfaces should be completely smooth – as if you were going to paint onto them.
    • Surfaces should be well consolidated, so that any chance of movement is eliminated.
    • Surfaces should have a minimum compressive strength of 16N/mm2

    Additional Important Rules:

    • Never Microcement directly onto natural timber or across cold joints/expansion joints.
    • Surfaces should be free from oil stains, dirt, dust and excessive laitance.
    • There must be no risk of water getting to the microcement during the install process.
    • Surfaces must be damp-proofed and edges siliconed so that no water can get to the Microcement from underneath at anytime.
    • Allow 3-4mm as the finished depth.

    For Kits Containing Micropool Only (Swimming Pools, Outdoor Surfaces & Steam Rooms):

    • Micropool can only be installed on a substrate with a minimum compressive strength of 25N/mm2 and a Tensile Strength of 1.5N/mm2.
    • Micropool is waterproof both above and below, so as long as substrate is less that 10% moisture, it can be applied.
  • How do I get a good finish with Microcement?

    There are a few golden rules, that it’s really important to follow, if you want to get a good finish with microcement:

    It’s extremely important that you get the surface prep right.  You’re aiming for a clean, dry, completely flat surface, that’s free from movement.

    Familiarise yourself with the process in advance, don’t skip any steps and respect the drying times.

    Finally, 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.

    Thankfully, we’ve got all this covered, with our easy to follow, free online microcement training.

    From surface prep right through to aftercare, our online microcement training is packed full of step by step guidance, tips and tricks, to give you the knowledge and practical skills to tackle your project with confidence.

  • Is microcement better than tiles?

    Microcement is an extremely versatile and hard-wearing material that is becoming increasingly popular in modern interior design. It’s a practical and visually stunning material that’s perfect for use in bathrooms and wet rooms.

    One of the main advantages of using microcement in a bathroom is its seamless finish. Unlike tiles, which have visible grout lines, microcement can be applied in continuously, creating a smooth and uniform surface. This not only looks great but also makes cleaning much easier, as there are no grout lines to trap dirt and bacteria.

  • Is microcement expensive?

    Historically, microcement has been quite a niche product, with just a few installers charging high prices.

    However, we strongly believe that everyone should enjoy the benefits of microcement.  So, we’ve focused our efforts on making microcement more affordable and accessible to everyone.

    We’ve worked hard to make our microcement kits affordable, with kits starting from less than £30 per m2.

    And we’ve developed a whole load of free online training guides, including bespoke training courses for every customer.

  • Is microcement waterproof?

    Not all microcements are completely waterproof, the natural minerals in the mix make them very porous. The microcements are sealed to make them waterproof. Which means that if the sealer gets scratched or there isn’t sufficient coverage of it, then water can get to the microcement and stain it.

    Thankfully, Cemher have developed a number of microcements that are 100% waterproof, even without sealers. These products have revolutionised the industry, making microcement a much more viable choice for DIYers and Professionals looking for extra reassurance.