MasterSeal 584: Cementitious waterproof coating for concrete, brick, and masonry

Formerly: Thoroseal Plaster Mix


How does MasterSeal 584 work?

MasterSeal 584 is a cement-based, waterproof coating for concrete, brick, or block. It can be used to eliminate the look of mortar joints and textured by both spray and trowel application.

Recommended uses:

  • Residential and commercial buildings
  • Water-treatment reservoirs, dams, tunnels, bridges

What are the features of MasterSeal 584?

  • High-performance properties
  • Excellent adhesion to mineral substrates
  • Water-vapor permeable
  • Provides texture and color uniformity
  • Wide variety of textured finishes possible
  • Easy to apply by trowel or spray

What are the benefits of MasterSeal 584?

  • Fills, seals, and hides surface imperfections
  • Produces lasting durability
  • Allows substrate to breathe; protects against surface blisters
  • Enhances structure’s appearance
  • Enhances design options
  • Speeds jobsite production

US / Canada Product Information

Data Guide

Certification Letter

Safety Data Sheets

Safety Data Sheet (SDS)

Find all available safety data sheets for this product.


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