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    MasterProtect FL 749

    Acrylic copolymer block filler

    How does MasterProtect FL 749 work?

    MasterProtect FL 749 is a ready-to-use, VOC compliant, 100% copolymer-based block filler resin used to prime and fill porous masonry before the application of MasterProtect coatings.

    Recommended uses:

    • Substrates where absorbency is not uniform

    What are the unique features of MasterProtect FL 749?

    • Heavy-bodied
    • Breathable
    • Moisture-resistant
    • Excellent workability
    • Moisture tolerant
    • Easy to apply
    • VOC compliant

    What are the benefits of MasterProtect FL 749?

    • Fills pores; excellent surface closure
    • Allows substrate moisture vapor to escape from the structure; prevents peeling and blistering
    • Will not degrade in the presence of wet-dry cycles
    • Ease of application; lower labor cost
    • Can be applied to damp substrates
    • Can be sprayed with airless equipment
    • VOC compliant for EPA and most regional authorities

    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 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

    Certification Letter

    pdf (89.68 Kb)

    Data Guide

    pdf (172.11 Kb)

    Data Guide (French)

    pdf (277.86 Kb)

    MasterProtect FL 749 SDS

    pdf (280.80 Kb)

    MasterProtect FL 749 SDS

    pdf (221.33 Kb)

    MasterProtect FL 749 SDS

    pdf (372.12 Kb)

    MasterProtect FL 749 SDS

    pdf (365.89 Kb)