Belzona 4511 is a solvent-free, two-component elastomeric sealant for vertical and horizontal building expansion joints.
This fast curing, hybrid polymer system is designed to provide effective sealing of vertical and horizontal building and expansion joints on concrete, stone, brick and other surfaces. Belzona 4511 is a cost-effective and high performance alternative to conventional mastics sealants. It is specifically designed for joints subject to ±12.5% movement.