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    ​MasterWeld 990

    Elastic trowel-grade polyurethane construction adhesive

    MasterWeld 990 description

    MasterWeld 990 is an elastic, one component, trowel grade, polyurethane construction adhesive.   It can be used to install a variety of materials including wood flooring planks, rubber tiles, and rolled rubber goods. 

    Recommended uses:

    • Interior applications
    • Applications requiring high strength, elastomeric adhesion.
    • Rubber tiles and rolled goods
    • Solid or engineered wood flooring planks
    • Wood trim

    What are the unique features of MasterWeld 990?

    • Cures quickly
    • High strength
    • Creates a permanently elastic bond
    • Easy to trowel
    • Low VOC

    What are the benefits of MasterWeld 990?

    • Light foot traffic permitted in as little as 4 hours for flooring installations
    • Helps to ensure long term adhesion to a variety of materials
    • Facilitates easier installations and increased productivity
    • Very low odor minimizes disruptions in occupied spaces​

    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems


    Safety Data Sheet (SDS)

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    Related Literature

    Certification Letter

    pdf (90.95 Kb)

    Data Guide

    pdf (214.22 Kb)

    Data Guide (French)

    pdf (329.99 Kb)

    MasterWeld 990 SDS

    pdf (383.62 Kb)

    MasterWeld 990 SDS

    pdf (303.96 Kb)

    MasterWeld 990 SDS

    pdf (243.33 Kb)

    MasterWeld 990 SDS

    pdf (498.86 Kb)