Rapid Flex CJ

Rapid curing, semi-rigid polyurea control joint filler


Rapid Flex CJ is a 100% solids, two-component, UV resistant, semi-rigid, rapid curing, polyurea for filling control and construction joints in industrial concrete floors.

Rapid Flex CJ allows for joints to be shaved quickly for a fast turnaround.

Rapid Flex CJ complies with ACI 302, section 4.10 recommendation for joint fillers used in saw cut/control joints with a Shore A Durometer of 85.

Rapid Flex CJ is USDA accepted and authorized for use in federally inspected meat & poultry plants.

Rapid Flex CJ can be used for the repair of damaged or spalled joint nosing and cracks.

Features & Benefits

  • Freezer Floors
  • Industrial and commercial concrete floors subject to heavy forklift traffic
  • Heavily trafficked retail concrete floors
  • Repair of cracks and joints in old concrete floors

Need help? Call our Customer Service Team at 816-968-5600.

SpecChem is America’s #1 manufacturer of concrete construction chemicals and the industry’s gold standard for high-performance concrete and construction products.