SpecChem Super SpecPlug
SpecChem Super SpecPlug
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Contractor Overview
Super SpecPlug is a fast-setting hydraulic cement / plugging compound. Fast-Setting Hydraulic-Cement Mortar Super SpecPlug is a super fast-setting hydraulic-cement mortar that instantly stops flowing water through holes and cracks in concrete and masonry surfaces. This product does not shrink or oxidize, ensuring durable, watertight repairs.
Best For
- Masonry
Key Features
- Concrete repair formulation
- Built for professional patching and restoration work
Material & Application Notes
Fast-Setting Hydraulic-Cement Mortar Super SpecPlug is a super fast-setting hydraulic-cement mortar that instantly stops flowing water through holes and cracks in concrete and masonry surfaces. This product does not shrink or oxidize, ensuring durable, watertight repairs. Single-component; simply add water.
Why Contractors Choose It
Contractors choose Super SpecPlug when the repair needs to hold up, finish cleanly, and fit the job condition without slowing down the crew.

Application
Recommended Uses:
- Basement and masonry cracks
- Floor and wall joints
- Manholes and sewer pipes
- Tunnels and swimming pools
- Below-grade foundations
Surface Preparation:
- Enlarge cracks to at least 3/4″ width and depth, cut square or undercut; avoid “V” shape cuts.
- Clean the substrate thoroughly to remove grease, wax, oil, and other contaminants.
- Saturate the surface with water, ensuring no standing water remains.
Mixing:
- Mix Super SpecPlug with a small amount of clean water to achieve a putty consistency.
- Use approximately 20%-21% water by weight; about 9.5 pints of water per 50 lbs of product.
- Mix only what can be used within 2 minutes.
Application Techniques:
- For vertical and moving-water applications, maintain firm pressure until final set (about 3 minutes).
- Adjust water temperature to manage setting times based on ambient temperatures.
Curing:
- Super SpecPlug continues to gain strength as long as it remains damp.
- Optimal strength achieved when wet cured for up to 2 days.
Packaging
Available in 50 lb (22.7 kg) pails.
Shelf Life
18 months when stored in unopened containers in a clean, dry area between 45°F and 90°F.
