Fast-setting hydraulic-cement mortar

Data Sheets:

Available in 50 lb. bags or pails

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Features & Benefits

  • Single component; just add water and use
  • Sets in approximately 3–5 minutes – stops flowing water fast
  • Certified to NSF/ANSI Standard 61 for potable water contact
  • Expands as it sets, bonds strongly to concrete, and makes watertight repairs


SpecPlug is a durable, fast-setting hydraulic-cement mortar that stops flowing water through holes and cracks in concrete and masonry surfaces. SpecPlug will not shrink or oxidize.