Koster KB-Fix 5 is an extremely fast-setting, waterproof and weatherproof mortar made for quick repairs and installations in plaster, masonry and concrete. Designed for indoor and outdoor use, it is suitable for filling holes and cracks, anchoring fittings and sealing pipe penetrations.

  • Extremely fast-setting mortar for swift repairs and installations

  • Waterproof and weatherproof for internal and external use

  • Easy, seamless application with fast curing

  • Suitable for concrete repair projects

  • Minimum application temperature of +5°C

Applications

  • Filling holes and cracks in plaster and masonry

  • Anchoring wall anchors, brackets and fittings

  • Securing roof gutter and downpipe brackets

  • Fixing handrails, grates and radiators

  • Sealing pipe penetrations in combination with Koster KB-Flex 200

  • General concrete repair

Availability

15kg tub

Performance

Minimum application temperature: +5°C