Rapid Flex CJ is a rapid-curing, UV-resistant polyurea control joint filler built for fast turnaround on industrial concrete floors
Rapid Flex CJ is a 100% solids, two-component, semi-rigid polyurea that cures quickly for fast joint shaving, meeting ACI 302 section 4.10 recommendations. It's also effective for repairing damaged joint nosing and cracks.
Key Features & Benefits
- Simple 1:1 mixing ratio with a pourable, pumpable consistency
- UV-resistant, maintaining color integrity (Dovetail Gray when mixed)
- High elongation rate (200%) minimizes tearing from movement
- Semi-rigid flexibility without welding slabs together or becoming brittle with age
- Ideal hardness (Shore A 85) supports wheel load transfer while allowing moderate movement
- USDA accepted; additional architectural colors available
Application Instructions
- Do not thin with solvents
- Clean uncured material from equipment with SpecChem Solvent 100
- Also suitable for repairing damaged joint nosing and cracks
Packaging
Available in 22 oz cartridges.