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    MasterEmaco N 427: Smooth-textured patching mortar for architectural concrete

    Formerly: Emaco R 400 Architectural

    How does MasterEmaco N 427 work?

    MasterEmaco N 427 is low-slump, fast setting, portland cement-based, multi-purpose smooth repair mortar for detailed fine architectural work. It does not require the use of forms or multilayered casting techniques.

    Recommended uses:

    • Interior and exterior
    • Vertical and overhead
    • Non-traffic-bearing horizontal
    • Above and below grade
    • Spalls or holes in concrete
    • Deteriorated edges

    What are the unique features of MasterEmaco N 427?

    • Non-sag consistency able to be placed in 1" (25 mm) thick lifts
    • Smooth consistency blends with smooth textured concrete surfaces
    • Light gray color blends with most standard concrete surfaces
    • Only requires the addition of potable water

    What are the benefits of MasterEmaco N 427?

    • Can be mixed with MasterEmaco A 660 to increase high-performance properties

    On the Job Videos

    US / Canada Product Information

    Data Guide

    Certification Letter

    LEED Letter

    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems


    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

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    Related Literature

    Certification Letter

    pdf (90.10 Kb)

    Data Guide

    pdf (256.32 Kb)

    LEED Letter

    pdf (94.09 Kb)

    MasterEmaco N 427 SDS

    pdf (251.42 Kb)

    MasterEmaco N 427 SDS

    pdf (312.59 Kb)