Mapei Mapelastic Foundation is a two-component, flexible cementitious waterproofing mortar designed to protect and waterproof concrete and masonry structures exposed to both positive and negative water pressure. It is particularly suited to below-ground and foundation applications where water can exert pressure from either side of the structure.
Key Features
- Two-component flexible waterproofing system — cementitious powder (Component A) and liquid polymer (Component B).
- Designed for positive and negative hydrostatic pressure.
- Helps waterproof concrete and masonry surfaces while accommodating minor movement and cracking.
- Can bridge static cracks of more than 1.25 mm at +20°C under the specified test conditions.
- Suitable for application by roller, trowel or spray, depending on the system and surface.
- Can be used in underground structures and other areas exposed to water pressure.
- Classified according to EN 1504-2 and EN 14891.
Common Applications
Mapelastic Foundation is suitable for waterproofing:
- Building foundations and foundation walls
- Basement walls and underground structures
- Retaining walls
- Car parks and underground parking areas
- Concrete tanks and reservoirs
- Water channels and hydraulic structures
- Swimming pools
- Concrete structures exposed to groundwater
- Structures requiring waterproofing against both internal and external water pressure
Technical Specifications
| Specification | Details |
|---|---|
| Product type | Two-component flexible cementitious waterproofing mortar |
| Component A | Grey powder |
| Component B | White liquid |
| Mixing ratio | A:B = 2.2:1 |
| Mix consistency | Thixotropic |
| Pot life | Approx. 60 minutes at 20°C |
| Application temperature | +5°C to +40°C |
| Minimum thickness | 2 mm in 2 coats |
| Roller consumption | Approx. 1.65 kg/m²/mm |
| Spray consumption | Approx. 2.2 kg/m²/mm |
| Packaging | 32 kg kit |
| Component A | 22 kg bag |
| Component B | 10 kg tank |
| Storage | 12 months for Component A; Component B up to 24 months, depending on product version |
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