​​​​​MasterSeal 590 - One-component, cement-based, fast-setting water-stop repair mortar

How does MasterSeal 59​0 work?

MasterSeal 590 is a one-component, quick-setting, Portland-cement-based hydraulic repair mortar that instantly stops running water through holes or cracks in concrete or masonry. It expands as it sets to lock into place even under constant water pressure.

What are the recommended uses of MasterSeal 590?

​MasterSeal 590 is designed to be used:

• To stop running water or moisture seepage under pressure through non-moving (static) cracks and holes in concrete.
  
• For scaling cracks and construction joints in reservoirs and other water retaining structures such as retaining walls. 
  
• For immersion service
  
• For anchoring vertical bolts, conduits, pipes, railings and sanitary equipment. 
  
• For joint filing and pointing between concrete segments in concrete and brick tunnels, sewage systems, pipes and mines. 
  

What makes MasterSeal 590 ​​a unique solution?

• Fast-setting
• Fully hydraulic
• Shrinkage compensated
• One-component
• Ready to topcoat in 15 minutes with appropriate product
• Durable non-metallic, non-gypsum formula
• Formulation available for cold-weather applications

How can you benefit from Master​​Seal 590?

• Stops running water; develops high-strength quickly
• Sets above or below water
• Expands to lock in place
• Mixes easily with water only
• Minimizes downtime
• Maintains volume stability over time
• Use in all seasons and climates
  

Explore​ other cementitious waterproofing solutions

MasterSeal 501/502 - Deep penetrative, reactive, capillary waterproofing system for concrete and mortar

​​MasterSeal 540 - ​Flexible, polymer cement waterproofing slurry​

MasterSeal 555 - Two-component, flexible, polymer cement waterproofing slurry with excellent weathering resistance and crack bridging capability

MasterSeal 583 - Waterproof cement-based coating for concrete​​​​