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

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

Certification Letter

pdf (55.43 Kb)

Data Guide

pdf (294.28 Kb)