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    MasterProtect EL 850

    Silicone-modified, anti-carbonation, elastomeric waterproof coating

    How does MasterProtect EL 850 work?

    MasterProtect EL 850 is a water-based, silicone-modified, elastomeric coating for waterproofing exterior surfaces. It has superior crack-bridging ability with a total elongation of 700%. It retards carbonation of concrete. It complies with Federal Specification TT-C-555B, Type II.

    Recommended uses:

    • Exterior
    • Vertical surfaces
    • Above grade

    What are the unique features of MasterProtect EL 850?

    • Available in a broad range of colors
    • Resists wind-driven rain; helps prevent water penetration into the substrate
    • Breathable to allow water vapor to escape
    • Excellent adhesion, bonds securely to substrate for long-term durability
    • Excellent hiding power
    • Low VOC content for broad compliance across all regions
    • Resistant to dirt pickup

    What are the benefits of MasterProtect EL 850?

    • Silicone-modified acrylic formula is recoatable
    • High elongation and recovery for durable performance over dynamic cracks
    • UV resistance provides excellent color retention for a long-lasting, attractive finish
    • Effective carbon dioxide diffusion barrier, protects embedded steel from corrosion
    • Flexibility at very low temperatures makes it suitable for all climates​

    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.

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