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    ​MasterTop 523 - Moisture-resistant, self-smoothing flooring overlayment

    What is MasterTop 523?

    MasterTop 523 is a moisture-resistant, cementitious, self-smoothing, overlayment flooring compound that can be applied internally or externally, onto new or existing suitable substrates. Only water needs to be added on site to obtain the desired consistency for pumping or manual installation. Must be sealed with a suitable sealer dependent on the final use of the area.
    MasterTop 523 is applied at thicknesses from 5-40mm

    What is MasterTop 523 used for?

    • Where a sealed cementitious floor finish is required as the final finish
    • Can be applied onto rough undulating concrete or screeded floors
    • Level and finish in a single application
    • Refurbishment of old floors
    • Where a very smooth profile is required
    • Where moisture may be present

    What are the benefits of MasterTop 523?

    • Highly fluid and pumpable for fast installation
    • Resistant to moisture
    • For external and internal applications
    • Rapid strength gain for fast return to service
    • Low installed cost
    • Ready for foot traffic after 3 hours
    • Return to service in 24 hours


    MasterTop 523_MS

    pdf (309.23 Kb)

    MasterTop 523_TDS

    pdf (340.48 Kb)


    Oman: +968/24435800
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