Preparation of substrate for microcement – can I apply microcement on a self-levelling screed

Can I apply microcement on a self-levelling screed?

Updated: 15.07.2026
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Yes, if the screed is solid, cohesive, dust-free and properly primed.

Detailed answer

A self-levelling screed is a suitable substrate mainly for floors. It is important that it has sufficient strength, is not brittle, does not produce dust and is not merely a thin levelling layer without cohesion. It is therefore not just about the material of the substrate, but primarily its condition. Before application, check the strength, flatness, grease, dust, cracks and any movement. If the surface is risky, it is better to reinforce it or first create a test area. We also recommend sanding before application.

Common mistakes

  • applying on dusty or non-cohesive substrate
  • skipping checks for hollow spots and cracks
  • insufficient degreasing and priming
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