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    ​MasterTop TC 421 UHW

    ​High solids,  moisture cured urethane coating for MasterTop Flooring Systems. It can be applied clear or pigmented, leaving a high gloss or satin finish. MasterTop TC 421 UHW is a durable topcoat that resists harsh chemicals and abrasion, creating a safe floor for years.​

    Recommended uses:
    • A topcoat for MasterTop flooring systems 
    • Hangar floor 
    • Automotive Manufacturing 
    • Mechanical Room 
    • Assembly / production 
    • Packaging 
    • Clean Room / lab 
    • Floors exposed to heavy traffic, weather or harsh chemicals 
    • Industrial shop floors

    What are the unique features of MasterTop TC 421 UHW?

    • Lasts up to four times as long as standard epoxies 
    • Exceptional chemical and stain resistance 
    • Impressive abrasion resistance 
    • Non-yellowing, UV stable 
    • Gloss and Satin finish options 
    • Variety of slip resistant textures 
    • Low odor, low VOC 
    • Resists Skydrol®, jet fuels and other industrial chemicals 
    • No stripping, waxing or polishing required

    What are the benefits of MasterTop TC 421 UHW?

    • ​Long-Term Performance 
    • Increased Workplace Safety 
    • Improved Aesthetics 
    • Decreased Life-Cycle Costs 
    • Environmentally friendly - USDA, FDA, EPA, OSHA and ADA compliant 



    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.

    MasterTop TC 421 UHW SDS

    Product Certifications

    Generate a free certificate of conformance for a specific Master Builders Solutions construction product.

    LEED v4 & v4.1 Teaser Image

    LEED v4 & v4.1

    Search by product or CSI code and download up to date LEED information.

    Related Literature

    MasterTop PGM 1000 Flyer

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    MasterTop TC 421 UHW Data Guide

    pdf (338.13 Kb)

    MasterTop TC 421 UHW Data Guide (French)

    pdf (357.61 Kb)

    MasterTop TC 421 UHW Sell Sheet

    pdf (631.67 Kb)