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What is 2K PU Sealer?
Updated: 15.07.2026
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2K PU Sealer is the final protective varnish for sealing a microcement surface.
Detailed answer
2K PU Sealer is a two-component water-based polyurethane varnish that provides the final protection for microcement. The varnish determines the resistance to water, everyday wear and maintenance. Without proper sealing, the mineral surface would be unnecessarily absorbent and more difficult to clean. It is a two-component water-based polyurethane varnish.
Common mistakes
- mixing non-system layers without verification
- skipping the gel or final varnish
- choosing the system solely based on appearance without considering load
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