Add waterproofing into the mixture
Add the world’s original crystalline concrete waterproofing admixture, Krystol Internal Membrane™ or KIM® into your concrete mix. Eliminate application errors and protect your structure from water permanently and reliably as concrete is mixed.

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Benefits of KIM®

Feature

Increase building footprint

By doing away with the need to leave space for applying external membranes, KIM® provides maximum design flexibility. It allows the largest possible building footprint, enabling you to realize the greatest possible value for your property. KIM® is also ideal for blind wall applications, where there is no space to apply external membrane systems.

Backfill sooner

The KIM® admixture can be added at the construction site, or at the concrete batching plant. Since it's mixed right into the concrete, there's no waiting around for concrete waterproofing application. Backfilling can begin as soon as the concrete sets.

Lower cost of construction

KIM® is highly affordable. The cost of the system is more than offset by the cost savings realized by eliminating the time and labour required to install an external waterproofing membrane system.

Safe for potable water

Certified non-toxic, KIM® is ideal for use in a wide variety of pre-cast, shotcrete and cast-in-place applications such as bridges, dams, tunnels, swimming pools, water storage and wastewater treatment facilities, parking garages, basements and foundations.

Achieve peace-of-mind

Even the best quality external waterproofing membrane will eventually dry, crack or otherwise deteriorate. When this happens, your concrete structure is left vulnerable to water and corrosive elements. Unlike external membrane systems, however, KIM® is impervious to physical damage or deterioration. It lasts the lifetime of the structure and, by blocking out waterborne contaminants, it protects steel reinforcements from corrosion and extends the life of the structure.