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2-C slurry-type seal coating CERAfix® 301
2-C slurry-type seal coating CERAfix<SUP>®</SUP> 301 - 1
2-C slurry-type seal coating CERAfix<SUP>®</SUP> 301 - 2
2-C slurry-type seal coating CERAfix<SUP>®</SUP> 301 - 3

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2-C slurry-type seal coating CERAfix® 301

Flexible crack-bridging, mineral two-component sealing slurry for indoor and outdoor use

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Certified quality


  • General test certificate from construction authorities

  • Classification of fire behaviour in accordance with EN 13501-1 and EN ISO 11925-2

  • Tested for water impermeability in line with DIN 4030


Particularly high degree of flexibility


  • Very suitable for bridging cracks

  • Secure even on surfaces exposed to cracking or considerable movement


Water vapour permeable


Ideal for slightly damp surfaces



High bond adhesion without priming


Perfect for use as a seal in conjunction with tile coverings, including in vertical areas



Resistant to thawing/freezing alternations


  • Suitable for indoor and outdoor use

  • Can be used in wet rooms and swimming pools exposed to high stresses and on balconies and terraces


Our products featuring the EMICODE label are low emission/environmentally compatible. The EMICODE classification system awards labels to construction products that comply with the very stringent health and environmental requirements of recognised institutes.

Proof of Performance

P-DD 4863/1/2008 Bautest Dresden



Tested in accordance with EN 14891


  • Initial adhesion strength: ≥ 0.5 N/mm²

  • Adhesive tensile strength on contact with water: ≥ 0.5 N/mm²

  • Adhesive tensile strength after thermal ageing: ≥ 0.5 N/mm²

  • Adhesive tensile strength after alternating freezing/thawing stress: ≥ 0.5 N/mm²

  • Adhesive tensile strength on contact with lime water: ≥ 0.5 N/mm²

  • Impermeable to water: No penetration of water

  • Crack bridging: ≥ 0.75 mm


Classification of fire behaviour in accordance with EN 13501-1 and EN ISO 11925-2



Tested for water impermeability in line with DIN 4030



EMICODE EC1plus: Very low emissions: The EMICODE classification system distinguishes the environmental and health compatibility of construction products. The lowest-emission products bear the EC1plus mark.

Notice
  • Protect surfaces that do not require treatment against exposure to CERAfix 301!

  • During the bonding process, the seal must not be exposed to water. If water gets behind the material, it can lead to spalling in the event of frost.

  • In case of strong sunlight, work in shaded areas with your back to the sun.

  • In spaces with high humidity and/or insufficient ventilation (e.g. water tanks), the surface may drop below dew point (condensation formation). This can be eliminated by suitable means, such as condensation dryers. Direct heating or uncontrolled blowing of hot air is not permitted

  • CERAfix 301 must not be subjected to point or linear loads when used a surface coating.

  • CERAfix 301 can be plastered over or covered with diffusion-open, solvent-free dispersion façade or dispersion silicate paints (not pure silicate paints). Silicone resin paints and acrylate-based paints can also be used.

  • Direct contact with metals, such as copper, zinc and aluminium, must be prevented by means of a pore-tight primer. Two coats of CERAfix 103 are applied to produce a pore-tight primer. The first coat is applied liberally to the degreased and cleaned substrate. Once this layer has begun to react such that it can no longer be spread through (approx. 3-6 hours*), a further CERAfix 103 layer is applied and scattered with TEGAfix 430 quartz sand. Consumption approx. 800-1,000 g/m2 of CERAfix 103.

  • Currently applicable regulations must be observed! Observe the applicable EC safety data sheet!
Application area
Material requirements:
Possible additional consumption in the case of uneven surfaces as well as variations in workmanship must be taken into account.
Effect of actionDry layer thickness, mmWet layer thickness, mmConsumption kg/m²
According to WTA leaflet 4-6 "Subsequent sealing of components in contact with the ground"
Non-pressurised water>2.0Approx. 2.23,5
Accumulating seepage water/pressurised water>3.0Approx. 3.35,3
Sealing of basins and containers>2.0Approx. 2.23,5
In a compound structure with tiles and panels>2.0Approx. 2.23,5
Levelling layers1 mm1.1 mm1,75
Basement walls and floor panels>2.0Approx. 2.2 mm3,5
Base seal>2.0Approx. 2.23,5
Cross-section seal>2.0Approx. 2.23,5
Soil moisture/non-accumulating seepage water>2.0Approx. 2.23,5

P-DD 4863/1/2008 Bautest Dresden



Tested in accordance with EN 14891


  • Initial adhesion strength: ≥ 0.5 N/mm²

  • Adhesive tensile strength on contact with water: ≥ 0.5 N/mm²

  • Adhesive tensile strength after thermal ageing: ≥ 0.5 N/mm²

  • Adhesive tensile strength after alternating freezing/thawing stress: ≥ 0.5 N/mm²

  • Adhesive tensile strength on contact with lime water: ≥ 0.5 N/mm²

  • Impermeable to water: No penetration of water

  • Crack bridging: ≥ 0.75 mm


Classification of fire behaviour in accordance with EN 13501-1 and EN ISO 11925-2



Tested for water impermeability in line with DIN 4030



EMICODE EC1plus: Very low emissions: The EMICODE classification system distinguishes the environmental and health compatibility of construction products. The lowest-emission products bear the EC1plus mark.

The usage instructions are recommendations based on the tests we have conducted and our experience; carry out your own tests before each application. Due to the large number of applications and storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee consistent quality of our products. We reserve the right to make technical changes and further develop products.