Cement Based, Crystalized Waterproofing Material - CRYSTAL 25

Cement Based, Crystalized Waterproofing Material - CRYSTAL 25


Cement-based, one component, applicable on positive and negative directions, active chemical additive content waterproofing material that protects the concrete and provides water impermeability by creating a crystalized effect. It can be produced in grey or red color.

Fields of Application

In internal and external applications from positive and negative directions; foundations and curtain walls, water tanks, tunnels, elevator pits, retaining walls, dams and harbors.

Features and Benefits

Application Procedure

Preparation of Substrate

The application surface must be durable, clean and clean off materials which prevent bonding, such as dust, oil, rust etc. Concrete surface must be smooth and cracks must be filled with plaster modified with LATEX or REPAMERK 301. Water leakage areas should be filled with WATERSHOCK. The sharp corners and joints of structural members must be chamfered. Before the application, the surface must be saturated with water by moisturizing.

Application Method

20 kg CRYSTAL 25 should be diluted with 5-6 lt water under the low speed mixture during 3-5 minutes until getting homogenous mixture. For every application, water should be added on CRYSTAL 25 and mixture should be consumed within 20 minutes. Mixture should be applied on the surface with brush. Second coat must be applied when the first coat sufficiently cured. This time may change between 3 to 5 hours depending on environment conditions. Application period between each coat must be maximum 6 hours. After CRYSTAL 25 application, material must be protected from losing its water rapidly. Do not use curing compounds. Applied surface must be kept wet for 5-7 days. In water tanks, 24 hours after the application, water tank must be filled with water to increase crystal formation and penetration depth. Application must be protected from direct sun light, wind, frost and rain in 24 hours.


1,0 kg/m² powder product for each coat. Recommended at least 2 coats application, if needed 3 coats may be applied.


20 kg kraft bag

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