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For over 120 years, the 2.2 mile seawall that wraps Governors Island has protected the island, kept the land together and stood strong against the sea. Construction to rehabilitate the seawall began in the middle of 2013. The revetment is a sloped stone abutment that must handle the heavy waves of the ocean and be easily maintainable. On the north side of the Island, the original seawall needed further support and repairs to ensure it could continue to handle the constant bombardment of salt water.
Sustaining and even extending the service life of the structure meant protecting against the infiltration of water into both the existing and new concrete while being resilient to the weathering action (including significant freeze/thaw cycles) year round. A durable solution was needed.
The New York City Economic Development Corporation (NYC EDC), the owner of the project decided to use Kryton’s Krystol Internal Membrane (KIM) waterproofing admixture for the new and old sections of the seawall. As KIM is added directly to the concrete mix, the installation of an external membrane and coatings was not needed. Over 2,000 yd3 (1,530 m3) of KIM concrete was poured to form the seawall and protect the Island.
The original structure also needed to use the Krystol Leak Repair System in order to refurbish the existing structure in place. The Leak Repair System is the complete way to repair cracks and create durable, waterproof structures. The Leak Repair System is the complete way to repair concrete cracks and create durable, waterproof structures. With both KIM and the Leak Repair System installed, the Governors Island Seawall is set to stand the test of time. As of writing, both KIM and the Leak Repair System are working as originally specified.
Krystol Internal Membrane (KIM) is a hydrophilic crystalline admixture used to create permanently waterproof concrete.
Krystol T1 is a surface applied crystalline slurry treatment that transforms new or existing concrete into a permanent waterproofing barrier.
Krystol T2 is a surface-applied crystalline slurry treatment that transforms new or existing concrete into a permanent waterproofing barrier.
As part of the Krystol Leak Repair System, Krystol Plug is a rapid-setting hydraulic cement product that when mixed with water is used to stop flowing water and repair leaking cracks, holes and joints in concrete.
The Krystol Leak Repair System is a permanent crystalline waterproofing solution used for repairing leaking cracks, holes and joints found in concrete. It reliably stops high water flow, even under high-hydrostatic pressure, and outperforms injection systems. Repairing leaks is a simple 3-step process that involves…
