Speed Plug Hydraulic Cement – Quick-Setting Leak Stopper
Speed Plug is a fast-acting, hydraulic cement compound designed to stop active water leaks and seepage in masonry or concrete within minutes. Requiring only water for activation, Speed Plug offers a standard 1–3 minute set time, as well as options for rapid 45-second or slower 3–5 minute curing, making it ideal for emergency repairs and underwater sealing.
Key Benefits
- Rapid-setting formula for instant water leak control
- Non-shrinking, non-metallic, non-corrosive composition
- Multiple set time options (45 seconds, 1–3 minutes, 3–5 minutes)
- High strength with controlled expansion
- Usable underwater for demanding applications
Common Applications
- Concrete and masonry walls and floors
- Dams, reservoirs, cisterns, and swimming pools
- Water tanks and manhole repairs
Packaging
Speed Plug is packaged in 20 lb (9.2 kg) pails, 50 lb (22.7 kg) pails, and 10 lb (4.5 kg) tubs (4 tubs per case) for flexible project use.
Technical Properties
| Property | Value |
|---|---|
| Type | Rapid-setting hydraulic cement |
| Set Times | 45 seconds, 1–3 minutes, or 3–5 minutes |
| Applications | Leak sealing in concrete and masonry, underwater repairs |
| Packaging | 20 lb, 50 lb, and 10 lb tubs |
For projects needing a bonding agent before applying Speed Plug, consider Duralprep A.C.. More details are available on the Euclid Chemical website.




