Mapei Mapelastic Zero Flexible Two-Part Cementitious Waterproofing Membrane

Mapei Mapelastic Zero is a high-performance, two-component cementitious mortar designed for waterproofing and protecting concrete structures, terraces, balconies, bathrooms, swimming pools, and more. Formulated for flexibility down to -20°C and certified with a fully offset carbon footprint, this eco-conscious product offers long-lasting, reliable protection against water ingress and aggressive agents like chlorides and CO₂.

Key Features & Benefits

• Superior Flexibility: Remains flexible even at -20°C, ideal for surfaces subject to slight movement or temperature extremes.
• Carbon Neutral: CO₂ emissions offset across the entire product lifecycle through certified climate mitigation projects.
• Long-Term Protection: Equivalent to 30mm of concrete in chloride resistance with just 2.5mm of product thickness.
• CE Certified: Meets EN 1504-2 and EN 14891 standards for concrete protection and waterproofing.
• UV Resistant: Offers durable surface protection even in exposed outdoor environments.
• Compatible Finishes: Can be tiled over with ceramic, mosaic, and natural stone finishes.
• VOC Safe: Certified EC1 Plus – very low emissions of volatile organic compounds.

Product Details

• Type: Two-component cementitious waterproofing system
• Application Thickness: 2 mm minimum (two coats)
• Coverage: 1.7 kg/m² per mm (manual), 2.2 kg/m² per mm (spray)
• Temperature Range: +8°C to +35°C during application
  
• Colour: Grey (mixed)
• Pot Life: 1 hour

Application Instructions

1. Ensure substrate is clean, sound, and slightly damp.
2. Mix component B (liquid) with component A (powder) in a 3:1 ratio using a mechanical mixer.
3. Apply with trowel or roller in two coats, embedding Mapenet 150 mesh in the first coat if required.
4. Allow at least 5 days curing time before tiling or additional coating.
5. Protect from rain and water for 24 hours after application.

Typical Uses

• Waterproofing of balconies, terraces, swimming pools, and showers
• Protecting concrete structures such as viaducts, beams, columns, and façades
• Preventing chloride and CO₂ ingress on exposed surfaces
• Waterproofing of cracked renders and lightweight cementitious substrates