Description
Rapid curing, semi-rigid polyurea control joint filler
Rapid Flex CJ is a top-grade, 100% solids, two-component, UV-resistant, semi-rigid, rapid-curing polyurea solution designed for filling control and construction joints in industrial concrete floors. Its formulation allows for quick shaving of joints, facilitating fast project turnaround. Developed to meet the ACI 302, section 4.10 recommendations for joint fillers, Rapid Flex CJ features a Shore A Durometer of 85. It’s also effective for repairing damaged joint nosing and cracks, with additional architectural colors available for diverse project needs.
- Simple 1:1 mixing ratio with a pourable and pumpable consistency
- UV-resistant and maintains color integrity (Dovetail Gray when mixed)
- High elongation rate (200%) minimizes tearing from movement
- Provides semi-rigid flexibility without welding slabs together or aging into brittleness
- Ideal hardness (Shore A = 85) supports wheel load transfer and allows moderate movement
- Applicable and cures in temperatures as low as -20°F
- Faster setting and curing times than traditional epoxy fillers, leading to quicker project completion
