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 solvent-free material is a cost-effective and high performance alternative to conventional mastics and sealants, providing joints with up to ±12.5% flexibility and outstanding weather and chemical resistance. It does not require any hot work and cures quickly, ensuring a safe and easy application.
Belzona 4511
Magma-Flex Hi-Build
Elastomeric Sealant for Vertical, Horizontal or Sloped Expansion Joints
Key benefits
- Provides expansion joint flexibility of up to ±12.5%
- Downtime reduction due to its fast-curing properties
- Reduced future maintenance and eliminates the need for expensive structural rebuild
- Reduced health and safety risks as it is solvent-free
- Application and cure at room temperature – no hot work involved
- Excellent weather and chemical resistance against a wide range of chemicals
- Easy to mix and apply manually with no specialist tools required
- Excellent adhesion to surfaces including concrete, brick, stone and steel
Applications for Belzona 4511 (Magma-Flex Fluid) include:
- Building joints sealing on vertical surfaces such as building faces, walls, parapet walls, retaining walls, dams, canal linings, bridges, overhead offsets, pipelines, sidewalks, concrete water tanks, spectator areas (bleachers, stands)
- Expansion joints sealing on horizontal or tilted flat surfaces such as indoors/outdoors floors, ramps, roads, bridges, containment areas, railways, car parks, roofs, paving slabs, foundations
* All products are subject to regional restrictions. Check with your local Distributor for more information
Product Documents
Related Case Studies
- KHIA XXVII, NO 62: Belzona provides long-term performance in bridge joints
- KHIA XXIII, NO 40: Belzona seals 20,000sq.ft.containment area
- KHIA XIX, NO 41: Belzona reduces downtime for concrete bridge expansion joint repairs
- KHIA XVII, NO 10: Belzona expansion joints: tough enough for heavily travelled highways
- KHIA XVIII, NO 18: Belzona expansion joint system for busy bridge