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waterproofing Contite Seal - Basement waterproofing

Chống thấm Contite Seal

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Contite Seal is a unique chemical treatment for concrete corrosion protection and waterproofing by crystallization.


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Contite Seal is a unique chemical treatment for concrete corrosion protection and waterproofing by crystallization. Manufactured in the form of a dry powder compound Contite Seal protects and waterproofs concrete by the process of osmosis. Because the chemicals in Contite Seal have an affinity with water the crystalline formation migrates throughout the pores and capillary tracts of concrete sealing the concrete against intrusion of water, chemicals, sewage and other harmful chemicals. The active chemicals penetrate the concrete and react with free lime and moisture to form a subsurface membrane effectively sealing the concrete. The layer formed allows the passage of water vapour from the inside of the structure (the concrete breathes) whilst waterproofing/sealing the surface against sea water, aggressive ground waters, waste water and certain chemical solutions. 


Contite Seal can be applied to all structurally sound concrete. Typical areas of application are :- sewage and waste water treatment tanks, reservoirs, tunnels, manholes, caissons, underground vaults and structures, foundations, parking decks, planter boxes, roof gardens, 
podiums and swimming pools. Contite Seal provides concrete protection against waste water, sewage, certain chemical solutions, dilute intermittent acids, carbonation, salt water, sulphates, and other harmful materials.

Advantages include:

• Resistant to most aggressive substances in the pH range 3-11 constant contact, and 2-12 periodic contact. 
• Protects concrete and steel rebar from deterioration. • Non toxic. No solvents. No harmful vapours. 
• Can apply to green or moist concrete.

• Fast tracks projects.

• Becomes an integral (internal) part of the concrete therefore it does not rely on the coating to protect or waterproof concrete.

• Seals minor shrinkage cracks and will reactivate after many years in the presence of water.

• Does not require costly surface priming or leveling prior to application as for other coatings.

• Cannot puncture, tear or come apart at   the seams as with other protection systems.

• Less costly to apply than other systems.

• Does not require protection from backfill.

• Use in underground structures from the inside (negative side).

• Extensively used for concrete repair work and is particularly useful to apply on the negative side of water retaining or underground structures both above and below grade.

Packaging : 25 kg/Bag

Made in Thailand

For more information please download technican data sheet.