Belzona

Belzona 4521

Belzona 4521 (Magma-Flex Fluid) A fast-curing, 2-part flexible sealant designed to provide effective sealing of construction and expansion joints on concrete, stone, brick and other surfaces. This 100% solids material is a cost-effective and high performance alternative to conventional mastics and sealants, providing joints with up to 25% flexibility and outstanding  weather and chemical resistance. It does not require any hot work and cures quickly, ensuring a safe and easy application.

Key benefits

  1. 01Provides expansion joint flexibility of up to 25%
  2. 02Downtime reduction due to its fast-curing properties
  3. 03Reduced future maintenance and eliminates the need for expensive structural rebuild
  4. 04Reduced health and safety risks as it is 100% solids
  5. 05Application and cure at room temperature - no hot work involved
  6. 06Excellent weather and chemical resistance against a wide range of chemicals
  7. 07Easy to mix and apply manually with no specialist tools required
  8. 08Excellent adhesion to surfaces including concrete, brick, stone and steel

Applications

  • Expansion joints sealing on horizontal surfaces such as floors, bridges, roadways, car parks and manufacturing facilities
  • Sealing of leaking joints in secondary containment areas

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