Can You Apply Microcement Over Tiles

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…and other substrate related questions

As microcement installers, the most common questions we’re asked are all about whether microcement can be applied over that substrate: tiles, concrete, brick, wood... The short answer is: yes! But as with any surface overlay, there’s a bit more to the story. In this guide, we’ll answer all your substrate-related FAQs to help you understand how X-Bond Microcement works across different surfaces.

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How Can Microcement Be Applied Over Existing Materials?

Microcement is an overlay, meaning it can be applied directly over existing materials. Yes, this includes tiles, wood, and concrete! Our product X-Bond Microcement can be applied to almost any hard surface. This is thanks to the adhesive polymers in its formulation, which enhance the microcement’s bonding strength at a chemical level.

Can You Apply Microcement Over Tiles?

Yes, microcement can be applied directly over tiles, making it an ideal solution for bathroom renovations without the inconvenience or cost of removing existing materials. This includes shower tiles and other wet areas! The X-Bond engineers at SEMCO Surfaces in the US call this the Remodel Without Removal method.

Applying microcement over tiles results in a seamless and fully watertight finish with no grout lines.Before microcement application, tiles will need to be cleaned, levelled, and re-waterproofed with a liquid membrane. When done correctly, there should be no hint of the original tiled surface.

Can Microcement Be Applied Over Wood Without Cracking?

Microcement can be applied over wood. Many clients are concerned about cracking when it comes to wooden substrates, as wood a natural material that expands and contracts with changes in temperature and humidity. It’s true that this movement can lead to cracks in overlays; but here's how we make sure to prevent this with X-Bond:

  • Flexible bonding: What sets X-Bond apart is its level of elasticity. With the greatest flexibility on the market, X-Bond Microcement can accommodate settlement and movement without a high risk of cracking.

  • Reinforcement: Adding a fibreglass mesh between the wood substrate and the microcement can also help distribute stress caused by movement; our installers are highly experienced in these kinds of applications.

  • Stability: A wood substrate needs to be stable and well-secured prior to installation, as excessive movement cannot be mitigated by the microcement alone. Alternative Surfaces is the sister company of SEMCO Works Australia, who invented a 2-in-1 anti-fracture and waterproofing membrane to help prepare substrates for microcement application.

Can You Use Microcement Over Concrete?

Concrete is one of the most compatible substrates for microcement. Since both materials are mineral-based, they bond exceptionally well. Using microcement for concrete resurfacing is increasingly common, since microcement is similar in strength and aesthetic — but is a more lightweight and versatile material.

What Substrates Can Microcement Go Over?

X-Bond can be applied over:

  • Concrete

  • Tiles (ceramic)

  • Sheeting

  • Plaster

  • Villa board

  • Brick

  • Foam

  • Ply

  • Laminate

  • MDF

  • Coated surfaces

  • Vinyl

  • Natural stone

  • Metal, glass and plexiglass

Is Microcement Suitable for Damaged Substrates?

Microcement can be applied to damaged substrates, but only after proper preparation to ensure the surface is stable and secure. Restoring a damaged substrate is something a skilled surface installer will be able to help with before microcement application.

What About Resurfacing Leaky Areas?

Yes, microcement can be used to resurface leaky areas, but only if the underlying water issue is properly addressed first. Microcement itself is not inherently waterproof; however, when combined with proper preparation and waterproofing measures, it becomes an excellent choice for wet, submerged, and moisture-prone areas like balconies, showers, pools, sinks and more.

Are There Any Surfaces Where Microcement Can’t Be Applied?

Mircoement is hand-rendered in thin, even layers over any stable, smooth, and solid base. It should not be installed over soft or rocky surfaces like soil, plastics, and gravel. These areas need to be resurfaced or replaced with another material prior to microcement application.

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Whether it’s tiles, wood, or concrete, microcement’s adaptability makes it a favourite for modern renovations, giving you the flexibility to refresh a variety of surfaces without starting from scratch. Do you have more questions about microcement? Located in Melbourne and have a project in mind? Get in touch.