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    MasterEmaco N 400RS: Rapid-setting polymer-modified high-build repair mortar for vertical and overhead surfaces

    Formerly: HBA Repair Mortar

    How does MasterEmaco N 400RS work?

    MasterEmaco N 400RS is a two-component polymer-modified rapid-setting mortar. It is used to repair vertical and overhead concrete surfaces in deep lifts.

    Recommended uses:

    • Interior and exterior
    • Vertical and overhead
    • Above and below grade
    • Spalls or holes in concrete
    • Deteriorated edges

    What are the unique features of MasterEmaco N 400RS?

    • Very high-build; up to 3" on vertical and 1 ½” on overhead surfaces
    • Low chloride permeability provides protection against carbon dioxide and chloride intrusion
    • Readily mixes with MasterEmaco A 400 to produce a workable consistency

    What are the benefits of MasterEmaco N 400RS?

    • Very rapid setting so repairs can be returned to service within hours
    • Shrinkage compensation minimizes stresses on the bond line
    • Polymer modification improves adhesion and provides increased freeze/thaw stability

    On the Job Videos


    US / Canada Product Information

    Data Guide

    Certification Letter

    LEED Letter

    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems

    1-800-243-6739

    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

    Product Certifications

    Generate a free certificate of conformance for a specific BASF construction product.

    Related Literature

    Certification Letter

    pdf (90.16 Kb)

    Data Guide

    pdf (91.05 Kb)

    LEED Letter

    pdf (93.33 Kb)