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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


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    Related Literature

    Certification Letter

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