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CP-MoyaProof CWL

CP-MoyaProof CWL is a single-component liquid waterproofing system that works by crystallization. It penetrates into the micropores and capillaries inside concrete, reacting with the cement matrix to form insoluble inorganic complex ion crystals. This process makes the concrete highly resistant to water penetration and ensures long-term waterproofing protection. As long as moisture is present, CP-MoyaProof CWL remains active and will seal both existing and future hairline cracks.
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CP-MoyaProof CWL

CP-MoyaProof CWL is a single-component liquid waterproofing system that works by crystallization. It penetrates into the micropores and capillaries inside concrete, reacting with the cement matrix to form insoluble inorganic complex ion crystals. This process makes the concrete highly resistant to water penetration and ensures long-term waterproofing protection. As long as moisture is present, CP-MoyaProof CWL remains active and will seal both existing and future hairline cracks.
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Features & Benefits

  • Deep Penetration: Penetrates deeply into concrete to form a robust waterproofing barrier.
  • Excellent Impermeability: Offers superior protection against water and moisture.
  • Durable Concrete: Produces dense and durable concrete, enhancing the structure’s longevity.
  • Chloride & Sulphate Resistance: Reduces chloride and sulphate penetration, protecting the concrete from corrosion.
  • Eco-Friendly & Non-Toxic: Safe for the environment and does not pose health risks.
  • UV Resistant: No need for additional topping or protection, and it can be overcoated.
  • Subsurface Membrane: Cannot be damaged or debonded due to its nature as a subsurface membrane.
  • Potable Water Safe: Suitable for use in contact with potable water.
  • Self-Healing: Reseals hairline cracks upon contact with moisture.
  • Compatible with Various Concrete Mixes: Can be used with concrete containing PFA, GBFS, or Silica fume.
  • Thermal Stress Resistance: Withstands temperature fluctuations and stresses.
  • Extended Structure Lifespan: Increases the useful life of the structure by preventing corrosion and damage.
  • Chemical Resistance: Offers resistance to mild acids, alkali attack, and other corrosive elements.
  • Enhanced Concrete Hardness: Improves the hardness and overall strength of concrete.

Product Details

Pack Sizes

  • 20 liters
  • 200 liters

Coverage

  • 5 m²/liter/coat
    (Actual coverage depends on the porosity and texture of the substrate.)

Technical Data

PropertyTest MethodValue
ComponentSingle
FormLiquid
AppearanceClear to Opaque
Specific GravityASTM D14751.10 +/- 0.05
ToxicityBS 6920-1Non-Toxic
Drying TimeASTM D2939Minimum 2 hours
Recoat Time5-6 hours
Solid ContentASTM D24450 +/- 3%
Impact TestASTM C805Excellent resistance to water, 15-20% increase over untreated surface
Water PermeabilityBSEN 12390-8> 90% improvement over control

How to Apply

Surface Preparation

  • Concrete surfaces must be clean and free from laitance, dirt, films, paints, coatings, or other contaminants.
  • The surface should have an open capillary system for the CP-MoyaProof CWL treatment to work effectively.
  • If surfaces are smooth, they should be acid-etched, lightly sandblasted, or waterblasted.
  • Structural defects such as cracks, faulty construction joints, and honeycombs should be repaired before applying CP-MoyaProof CWL.
  • CP-MoyaProof CWL is not suitable for use in expansion joints or moving cracks.
  • Horizontal surfaces should have a rough wood float or broom finish.

Application Process

  1. Timing: CP-MoyaProof CWL should be applied 2-4 weeks after pouring the concrete, or later. It is especially effective on older concrete surfaces.
  2. Curing Compound: CP-MoyaProof CWL can also act as a curing compound when applied immediately after forms are stripped.
  3. Application Method:
    • Can be applied by spray, brush, or roller.
    • For horizontal surfaces, it is recommended to flood the surface with CP-MoyaProof CWL.
    • For vertical surfaces, spray application is recommended.
  4. Drying Time: Allow 5-6 hours for the first coat to dry before applying the second coat.
  5. Concrete Surface Condition: Ensure the concrete surface is dry for at least 24 hours before application.

Curing

  • Water is necessary for curing and facilitating the reaction of CP-MoyaProof CWL.
  • Curing can be done by placing wet hessian over the applied area for a minimum of 14 days or by mist spraying with water.

Precautions

  • Avoid contact with eyes and seek medical attention if swallowed.
  • Keep away from children.

Disposal

  • Do not reuse containers. Dispose of according to local regulations.

Technical Support

On-site support is available from Conpac Technical Services for proper product usage.

Areas of Application

CP-MoyaProof CWL is ideal for waterproofing concrete in various applications, including:

  • Marine and coastal structures
  • Rafts and underground structures
  • Precast panels and water storage tanks
  • Highways, runways, roofs, decks, and bridges
  • Cut-and-cover tunnels, silos, and car parks
  • Swimming pools, pipes, lift pits, etc.
    It is also a superior alternative to old, hazardous SBS waterproofing membrane systems for basements.

Related Products

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MoyaSwell Stop
MoyaShield SR
CP-MoyaProof CWP