Belzona 4521
A two-component, flexible, fluid-grade sealant for horizontal building and expansion joints with up to ± 25% movement Note: Belzona 4521 uses Belzona 4911 for applications onto concrete or metal substrates and Belzona 2911 for applications onto rubber. Note: Belzona 4521 can be used onto substrates previously rebuilt with Belzona 4111 or Belzona 4131.
Product Images
Key Feature
Shelf Life:
5 Years
Application Areas:
Horizontal structures, bleachers and steps, adjacent walls, and secondary containment areas, acid retaining walls, chemical drains and channels, and floors among others
Unit Sizes:
4 kg, 896 kg
Distinctiveness:
horizontal concrete sealant, expansion joint sealant
Available Colors:
White Grey (RAL 9006)
Chemical Binder:
Epoxy-polyurethane
Product Videos
Frequently Asked Questions
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