My shopping cart
Your cart is currently empty.
Continue ShoppingVELOSIT® PC 221 Rapid Setting Plug Cement with Crystalline Effect
Contact us for availability!
Please check refund policy before purchasing.
Contact us for availability!
Please check refund policy before purchasing.
VELOSIT PC 221 is designed for fast leak stopping, anchoring, repair work, and acceleration of repair mortars. Its rapid-setting formulation allows surfaces to resist water pressure within minutes while providing strong adhesion to concrete and masonry without cracking or shrinkage.
Waterproofing punctual water leakages in concrete pipes, basement walls, and water tanks.
Suitable for anchoring starter bars, radiator mountings, and similar fixtures.
Fast-setting repair mortar for small surface repairs in concrete and masonry.
Can be used as a set accelerator for VELOSIT repair mortars.
Ideal for applications exposed to negative-side water pressure.
Excellent adhesion performance on properly prepared concrete and masonry substrates.
| Working Time | Approx. 1 minute |
| Top Coat Application | Ready after approx. 10 minutes |
| Water Pressure Resistance | Ready within a few minutes |
| Compressive Strength After 1 Hour | Approx. 12 MPa |
| Final Compressive Strength | More than 50 MPa (7250 psi) after 28 days |
| Water Pressure Resistance | 130 m (400 ft.) according to EN 12390-8 |
| Shrinkage / Expansion | Minimal under dry and wet curing conditions |
| Curing Requirement | No curing required |
Designed for emergency leak stopping and rapid waterproofing repairs.
Enhances long-term waterproofing performance within the concrete structure.
Minimal shrinkage and expansion reduce the risk of cracking.
Exceptional performance against negative-side hydrostatic pressure.
Excellent bonding to concrete and masonry substrates.
Simplifies installation and speeds up project turnaround.
VELOSIT PC 221 provides rapid-setting crystalline waterproofing protection for concrete and masonry structures requiring fast repairs, leak stopping, and durable resistance to hydrostatic pressure.
