Krystol Leak Repair System

A permanent crystalline waterproofing solution used for repairing leaking cracks, holes and joints in concrete.

How It Works

The Krystol Leak Repair System is simple 3-step process that involves preparing a chase by chiseling into the concrete, stopping flowing water with Krystol Plug, and filling the chase flush to the surface with Krystol Repair Grout.

The system uses Krystol technology which reacts with moisture to form insoluble needle-shaped crystals that fill capillary pores and micro-cracks in the concrete and block the pathways for water and waterborne contaminants.

Unlike other crystalline solutions that react with free lime that eventually depletes over time, Krystol Waterstop Grout chemically reacts with water and unhydrated cement particles. Any moisture introduced over the lifespan of the concrete will initiate crystallization, ensuring permanent waterproofing and watertightness protection.

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Why Krystol Leak Repair System

Proven Over 50 Years

Krystol Internal Membrane, introduced over 50 years ago as the first crystallization technology, has proven its efficacy through the enduring longevity of the structures where it was used.

Permanent Reactive Technology

Resistant to rain and foot traffic once hardened. Any moisture introduced over the lifespan of the concrete will initiate crystallization, ensuring permanent protection.

Safe

Safe for contact with potable water and certified to NSF/ANSI Standard 61.

Versatile

Leak Repair System is easy to apply and allows for flexible scheduling — concrete can be placed and keyways can be filled days or weeks after installation.

Sustainable

By making the concrete itself the waterproof barrier, Krystol technology can reduce the need for additional materials and processes associated with external waterproofing or watertightness methods. This can result in more sustainable concrete over its lifecycle.

Resources

  • Technical Resources

Application Instructions

Application Instruction 5.32 – Waterproofing Pipe Penetrations (Leak Repair System)

Application Instruction 5.12 – Waterproofing Cracks, Holes and Joints (Leak Repair System)

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A Trusted Concrete Solution Since 1973

  • 50+ years of proven performance
  • Winner of the Most Innovative Product Award at World of Concrete
  • The longest warranty in the business — and the only supplier to have already outlived its warranty!

Use Cases

Recommended to repair any leaking cracks or construction joints, firmly anchor bolts and ornamental iron, seal around pipes and metal fixtures in masonry concrete, repair spalled or honeycombed concrete, and plug and seal construction form tie holes. It can also be used as a waterproof plaster on masonry walls.

Featured Case Studies

1 Southwick Yard

Paddington, London, England

199 Watling Street

Radlett, Hertfordshire, England

10 Jay Street Restoration

Brooklyn, NY, USA

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