Waterplug 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.

• Brand Name: Master Builders
• Sub Brand: MasterSeal 590
• Product Type: Hydraulic Cement
• Package Size: 10 lb
• Ready to Use: No
• Color: Gray
• Paintable: Yes
• Tintable: No
• Sandable: No
• Applicator Included: No
• Packaging Type: Bucket
• Indoor or Outdoor: Indoor and Outdoor
• Set Time: 5 min