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
- Provides expansion joint flexibility of up to 25%
- 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 100% solids
- 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 4521 (Magma-Flex Fluid) include:
- 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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