
HYGROSMART IMPER-C-2K-FLEX
Two-component, cement-polymer flexible mortar for waterproofing and protection

HYGROSMART IMPER-C-2K-FLEX Waterproofing mortar
HYGROSMART-IMPER-C-2K-FLEX is a two-component mortar for waterproofing and protection. Based on cement, synthetic and inorganic polymers and other chemically advanced additives in water dispersion.
Low viscosity and high workability product – easy to use. It is characterized by excellent adhesion. A layer up to 2 mm thick can be laid on vertical surfaces at once. It has excellent mechanical properties. It remains flexible during the impact of difficult weather conditions and mechanical stresses.
Apply with a trowel in two layers of 1.0-2.0 mm thick each.
APPLICATION
HYGROSMART®-IMPER-C-2K-FLEX is a two-component, cement-polymer waterproofing mortar intended for:
- Insulation of bathrooms, balconies, terraces and wet rooms .
- Waterproofing of swimming pools, water reservoirs and foundations .
- Securing concrete underground structures and retaining walls .
- Protection of prefabricated concrete elements against moisture and carbonation .
FEATURES AND BENEFITS
- Completely waterproof – an effective barrier against moisture.
- High resistance to positive and negative water pressure .
- Excellent adhesion to concrete and cement surfaces .
- Resistance to UV and aggressive weather conditions .
- Flexibility allowing to bridge cracks up to 1 mm .
- Protection of concrete against carbonation and CO₂ penetration .
- Compliance with EN 1504-2 (concrete protection system).
LIMITATIONS
- Application temperature: +5°C to +35°C .
- Maximum thickness of one layer: 2 mm .
- Do not add additional water, cement or aggregate .
- Do not use on unprotected surfaces in swimming pools .
CONSUMPTION
- 1.7 kg/m² per 1 mm of coating thickness .
- Minimum thickness: 2 mm (2 layers) .
PACKAGING
- Cement mortar (A): 25 kg bag .
- Polymer resin (B): 8 kg container .
STORAGE
- 12 months in original unopened packaging (5-25°C).
CERTIFICATION
- CE – EN 1504-2 (concrete protection system).
- ISO 9001/14001 & OHSAS 18001 .
HYGROSMART SYSTEM application guide
APPLICATION
- Preparation of the substrate:
- Clean the surface with a high pressure washer .
- Remove cement laitance, greasy dirt, release agents .
- Repair cracks and irregularities with EPOXY RESIN-21-T or HYGROSMART®- BUILDING-F .
- Priming:
- Simply moisten the surface with water .
- Mixing:
- Gradually add component B (polymer resin) to component A (cement mortar) .
- Mix with a mixer (400 rpm) until a uniform consistency is obtained.
- Application:
- Application method: trowel, roller or spray.
- Minimum consumption: 1.7 kg/m² per 1 mm of thickness .
- Apply in at least 2 layers, each 1.0-2.0 mm thick .
- Apply the second layer after 4-5 hours .
- Do not allow the coating to get wet for 7 days after application .
Waterproofing and protection:
- Wet rooms, balconies/terraces, swimming pools (under tiles)
- Water tanks
- Concrete substrates
- Prefabricated panels
- Underground structures
- Retaining walls
- Retaining walls