CRACKBOND® JF

Flexible Polyurea For Filling Control Joints, Saw Cuts and Active Cracks

This elastomeric, Polyurea joint filler (formerly known as JF-311) allows 10-15% movement of installed joint width and can be used in temperatures between -40 °F to 120 °F (-40 °C to 49 °C). Available in cartridges and in bulk.

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  • Treats moving cracks
  • Used to fill tooled interior/exterior control joints or new construction saw joints on horizontal concrete surfaces
  • Protects joint edges from spalling due to wheeled traffic
  • For best performance, the maximum joint width is 3/4 in.(19 mm) and joint depth should be a minimum of 3 times the width for industrial floor applications receiving heavy duty vehicle traffic
  • Minimum depth can be reduced to 1/2 in. (13 mm), for foot traffic
  • May be used for exterior applications when minimal joint movement from thermal cycling will occur
  • Keeps joints free of debris and provides a continuous surface for weight loading
  • VOC compliant formulations
  • Shore A hardness supports traffic
  • Self-leveling, low viscosity system
  • 18 month shelf life
Size Part No. Qty
8.6 fl. oz A9-JF 12
21.2 fl. oz. A22-JF 12
10 Gallon Kit* B5G-JF-A 1
B5G-JF-B 1
*Must order 1 each of component A and B

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Part No. Description
TM9HD 9 oz. Manual Dispensing Tool (8.6 oz. Cartridge)
TM22HD 22 oz. Manual Dispensing Tool for 21.2 oz. Cartridge
TB22HD-A 22 oz Battery Dispensing Tool (21.2 oz cartridge)
TB22HDXL-A 22 oz Battery Dispensing Tool (21.2 oz cartridge) with extended carriage
TA22HD-A 22 oz. Pneumatic Dispensing Tool for 21.2 oz. Cartridge
T12 10″ Nozzle For 9, 22 & 53 oz Cartridges
T12-3PK 3 pack T12; 12 each 3-packs per case (36 nozzles)

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Dispensing Tools & Accessories

Available Packaging