Krystol Mortar Admixture™ (KMA)

Admixtures & Additives

Krystol Mortar Admixture™ (KMA®)

Krystol Mortar Admixture (KMA) is a hydrophilic crystalline admixture used to provide long-term protection of masonry mortars and concrete masonry units against water and waterborne contaminants by reducing permeability and absorption of the mortar.

KMA simplifies installation by removing the need for surface applied sealers and is easily incorporated into the existing mix-design and application processes. KMA provides superior waterproofing performance that lowers building maintenance and repair costs.

Krystol technology 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, KMA 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.

  • Lowers upfront building costs compared to surface applied sealers
  • Simplifies installation, eliminating labour, and shortening the construction cycle
  • Increases the life of your mortar and decreases building maintenance and repair costs
  • Increases durability and delivers a permanent solution with materials designed to last the lifetime of the mortar
  • Maintains the original appearance and cleanliness for lasting building attractiveness

Use KMA to provide permanent protection for:

  • Rendering and plastering mortar (including stucco and other thin topping mixes) over concrete masonry walls or other prepared substrates
  • Masonry mortar (i.e., mortar that goes between the masonry units)
  • Concrete masonry units (i.e., bricks and blocks when they are manufactured)

Why Krystol?

Proven over 50 years

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

Integral admixture

Unlike surface applied solutions, such as waterproofing membrane, that can degrade over time, Krystol Internal Membrane in integral to the concrete, ensure it continues to work over the lifetime of the structure — no further maintenance required.

Permanent reactive technology

Any moisture introduced over the lifespan of the concrete will initiate crystallization, ensuring permanent protection.

Versatile

Krystol Mortar Admixture is effective with rendering and plastering mortar (including stucco and other thin topping mixes) over concrete masonry walls or other prepared substrates, masonry mortar, and concrete masonry units.

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 Data Sheets

Technical Data Sheet – Krystol Mortar Admixture (KMA)

Application Instructions

Application Instruction 6.11 – Protecting Masonry Mortar

Application Instruction 6.21 – Protecting Rendering and Plastering Mortar

CSI Masterformat Specifications

Krystol Mortar Admixutre (KMA) – Mortar, Stucco, Plaster – CSI (04 05 13)

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Whitepapers

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Brochures