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    MasterPel 240: Water-repellent and efflorescence control admixture with excellent resistance to wind-driven rain

    Formerly: Rheopel Plus

    How does MasterPel 240 work?

    MasterPel 240 multipurpose admixture is used in a variety of water-repellent and efflorescence control applications. This unique formula is based on a novel silane chemistry that is different from that of conventional water-repellent admixtures in the concrete industry. MasterPel 240 admixture also exhibits excellent wind-driven rain resistance and has achieved the highest rating per ASTM E 514. MasterPel 240 admixture meets ASTM C 494/C 494M requirements for Type S, Specific Performance, admixtures.

    Recommended uses:

    • Architectural blocks
    • Single-wythe masonry construction
    • Paving stones
    • Segmental retaining wall units
    • Concrete roof tiles
    • Precast /prestressed concrete

    What are the unique features of MasterPel 240?

    • Unique formulation
    • Part of block producer water-repellency certification program
    • Contains components that enhance color and reduce efflorescence potential
    • Provides improved material flow and extrusion characteristics

    What are the benefits of MasterPel 240?

    • Superior water repellency versus conventional water-repellent admixtures
    • Significantly reduces secondary efflorescence (improves primary efflorescence control)
    • Improves color vibrancy and pigment efficiency
    • Increases compressive and flexural strengths
    • Increases production rate
    • Adds visual appeal

    US / Canada Product Information

    Data Sheet

    Data Sheet (French)

    Specification for Water Repellent Unit Masonry 

    Product in Focus: MasterPel 240 and Efflorescence Control

    Product in Focus: MasterPel 240 for Concrete Masonry Walls

    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems

    1-800-628-9990

    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.

    Related Literature

    MasterPel 240 Data Sheet

    pdf (79.14 Kb)

    MasterPel 240 Data Sheet (French)

    pdf (70.13 Kb)

    MasterPel 240 SDS

    pdf (154.78 Kb)

    MasterPel 240 SDS

    pdf (213.08 Kb)

    MasterPel 240MA SDS

    pdf (154.84 Kb)

    MasterPel 240MA SDS

    pdf (213.12 Kb)

    Product in Focus: MasterPel 240 Efflorescence

    pdf (158.25 Kb)

    Product in Focus: MasterPel 240 for Masonry Walls

    pdf (485.20 Kb)