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Description

Two-Component Cementitious Coating for Water Tanks & Terraces in Mauritius

The Block C350 Boscocem Slurry is a two-component, polymer-modified cementitious waterproofing coating manufactured by Bostik. It is engineered for positive-side waterproofing and delivers a tough, abrasion-resistant membrane. With its compatibility for tiling and ability to bond to damp surfaces, it’s ideal for water tanks, balconies, terraces, bathrooms, swimming pools and planter boxes in Mauritius, where durable protection against moisture is critical. Its strong bonding capability ensures structural protection against moisture penetration, weathering, and water seepage.

Available Pack Sizes

• 25 kg

COVERAGE

1.5 to 2 kg/m² per layer of 1 mm thickness

Stock Status

In Stock

Product Highlights

  • Two-component acrylic-modified cementitious waterproofing slurry
  • Forms a durable and flexible waterproof barrier
  • Excellent adhesion to concrete, masonry, and construction surfaces
  • Suitable for internal and external waterproofing applications
  • Ideal for wet areas, retaining structures, and foundations
  • Resistant to weathering, moisture penetration, and cracking
Technical Specifications
PropertySpecification
Product TypeAcrylic-modified cementitious waterproofing coating
Film Thickness (Cured)Approximately 1 mm per layer
Coverage1.5 – 2 kg/m² per 1 mm layer
AdhesionExcellent adhesion to concrete and masonry substrates
Suitable AreasBasements, foundations, water tanks, wet rooms, retaining walls
Application Instructions
  • Ensure surfaces are structurally sound, clean, and free from contaminants.
  • Mix both components thoroughly to achieve a uniform slurry.
  • Apply using brush, roller, or spray equipment in even layers.
  • Apply multiple coats to achieve required protection and thickness.
  • Allow each coat to dry adequately before applying the next layer.
  • Ensure proper curing before exposing to water or backfilling.
Coverage Calculator
  • One 25 kg pack covers approximately 12.5 – 16.5 m² per 1 mm layer depending on substrate and method of application.
Suitable Applications
  • Concrete water tanks, reservoirs, and sumps
  • Basements, retaining walls, and foundations
  • Bathrooms, wet rooms, and masonry substrates
  • Surface protection from moisture ingress
  • Internal and external waterproofing applications
Compatibility & Limitations
  • Compatible with concrete, blockwork, masonry, and plastered surfaces
  • Not suitable for flexible substrates or areas with heavy movement
  • Avoid application on wet surfaces or during rainfall
  • Ensure full curing before long-term water exposure
Safety & Handling
  • Wear gloves, safety goggles, and protective clothing during use
  • Mix and apply in a well-ventilated area
  • Store in a cool, dry place away from moisture

Frequently Asked Questions

For waterproofing concrete, masonry, basements, tanks, and retaining structures.

A two-component acrylic-modified cementitious waterproofing coating.

1.5–2 kg/m² per 1 mm layer.

Yes, the acrylic modification improves flexibility and crack resistance.

Yes, suitable for both internal and external waterproofing.

25 kg.

Yes, ideal for tanks, reservoirs, and water-retaining structures.

By brush, roller, or spray in even coats over a prepared surface.

Suitable mainly for positive-side waterproofing; conditions may vary.

Multiple coats may be required depending on protection level.

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Additional Details

  • Accept Payments:Credit Cards, Bank Transfer, Mobile Payments
  • Delivery:Yes
  • Take Out:Yes
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