Filling and Fairing

ALEXIT® BladeRep® Profile Filler 3K is a solvent free, three-component, fast drying polyurethane filler designed to be used for filling and fairing on GRP substrates.

Fast drying

for efficient application processes

Flexible Adjustments

to environmental conditions by 3rd component

Product Characteristics

  • mixing ratio 4:1 by weight
  • addition of activator 3% at 10°C (50°F), 1% at 23°C (73°F), 0.3% at 30°C (86°F)
  • pot life approx. 5-10min at 23°C (73°F)
  • drying time to sand approx. 60min at 23°C (73°F)


  1. clean substrate from dust, grease, oil and other contaminates 
  2. sand the substrate with P120
  3. clean with dust binding cloth
  4. mix base and hardener thoroughly to homogenize material
  5. application with spatula 

For more detailed information please refer to the technical data sheet.

Packaging Availability

20 kg I 4 kg

5 kg I 1 kg 

0.5 kg

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