MAPECOAT BS 1

Mapei

MAPECOAT BS 1

Two-component, flexible, abrasion-resistant, epoxy-polyurethane resin-based coating for protecting and waterproofing concrete structures
SKU: MAPEI-MAPECOAT-BS-1-308

About this itemMAPEI CERTIFIED

  • Flexibility in Extreme Temperatures: Mapecoat BS 1 remains flexible even at temperatures as low as -20°C, making it suitable for harsh environments. FLEXIBLE
  • Abrasion Resistance: The product demonstrates excellent abrasion resistance, with a weight loss of only 400 mg after 1000 cycles in the TABER test. ABRASION-RESISTANT
  • Chemical Resistance: Resistant to various chemicals, including petrol, heating oil, diesel fuel, and inorganic salts. WATERPROOF
  • Waterproofing and Carbon Dioxide Resistance: Provides a water-vapor impermeable barrier and high resistance to carbon dioxide diffusion (S > 50 m). MAPEI CERTIFIED

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Uses & Advantages

Primary Uses

  • Protective coating for bridge kerbs to prevent penetration of de-icing salts and enhance freeze/thaw resistance.
  • Waterproof coating for concrete pavements on bridges and pedestrian overpasses.
  • Flexible coating for concrete surfaces subject to high mechanical stresses, such as multi-storey car parks and entrance ramps.
  • Waterproofing flat roofing exposed to light vehicular traffic.

Key Advantages

  • Remains flexible at temperatures as low as -20°C.
  • High resistance to abrasion, impact, and chemical agents.
  • Complies with EN 1504-2 standards for surface protection systems.
  • Excellent bonding to properly prepared concrete substrates.

FEATURES & BENEFITS

TECHNICAL DATASHEET SPEC

Flexibility in Extreme Temperatures

Mapecoat BS 1 remains flexible even at temperatures as low as -20°C, making it suitable for harsh environments.

Abrasion Resistance

The product demonstrates excellent abrasion resistance, with a weight loss of only 400 mg after 1000 cycles in the TABER test.

Chemical Resistance

Resistant to various chemicals, including petrol, heating oil, diesel fuel, and inorganic salts.

Waterproofing and Carbon Dioxide Resistance

Provides a water-vapor impermeable barrier and high resistance to carbon dioxide diffusion (S > 50 m).

Crack-Bridging Capability

Exhibits excellent static and dynamic crack-bridging properties, withstanding cracks wider than 2.5 mm at both +23°C and -20°C.

Mapecoat BS 1 is a two-component, flexible, abrasion-resistant epoxy-polyurethane coating designed for the protection and waterproofing of concrete structures. Developed in MAPEI’s Research Laboratories, this product provides excellent resistance to mechanical stresses, chemical agents, and extreme temperatures, making it ideal for demanding applications such as bridge kerbs, car parks, and flat roofing. It complies with EN 1504-9 and EN 1504-2 standards for surface protection systems for concrete.

Key Specifications

Origin: UAE
Mixing RatioA:B = 81:19 by weight
Application Temperature Range1035°C
Workability Time40 minutes
Hardening Time78 hours
Set to Light Foot Traffic24 hours
Final Hardening Time7 days
Packaging / Pack SizeMetal bucket, 20 kg (Component A: 16.2 kg, Component B: 3.8 kg).
Certified standard values under UAE climate conditions.

Key Performance Benefits

  • Flexibility in Extreme Temperatures

    Mapecoat BS 1 remains flexible even at temperatures as low as -20°C, making it suitable for harsh environments.

  • Abrasion Resistance

    The product demonstrates excellent abrasion resistance, with a weight loss of only 400 mg after 1000 cycles in the TABER test.

  • Chemical Resistance

    Resistant to various chemicals, including petrol, heating oil, diesel fuel, and inorganic salts.

  • Waterproofing and Carbon Dioxide Resistance

    Provides a water-vapor impermeable barrier and high resistance to carbon dioxide diffusion (S > 50 m).

  • Crack-Bridging Capability

    Exhibits excellent static and dynamic crack-bridging properties, withstanding cracks wider than 2.5 mm at both +23°C and -20°C.

Storage & Handling Guidelines

  • Store in a cool, dry, covered area at temperatures between +5°C and +30°C.
  • Do not expose the mixed product to heat sources and avoid using partial amounts of components to prevent blending errors.
Product packaging

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FREQUENTLY ASKED QUESTIONS

Q&A TECHNICAL HUB
The consumption rate is approximately 1.1 kg/m² per mm of thickness on a smooth substrate. Coverage may vary on uneven surfaces.

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