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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


    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

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    MasterTop TC 421 UHW Data Guide

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    MasterTop TC 421 UHW Data Guide (French)

    pdf (357.61 Kb)

    MasterTop TC 421 UHW Sell Sheet

    pdf (631.67 Kb)