Cement Based Waterproofing Products / Cement Based, Crystalized Waterproofing Material
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
- Fills the capillary gaps by forming permanent (insoluble) crystals and enables water impermeability.
- Resistant to negative and positive water pressure.
- Protects the concrete against corrosion.
- Water vapour permeable.
- Improves abrasion and impact resistance of concrete.
- Non-toxic. Safely used in water tanks.
Preparation of Substrate
The application surface must be durable, clean and clean off materials which prevent bonding, such as dust, oil, rust and remove loose pieces. Concrete surface must be smooth and cracks must be filled with LATEX plaster 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.
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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