
Mapei
MAPECOAT BS 1
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
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.
Key Specifications
DOWNLOADS & DATA SHEETS
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.

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