Poly-Caulk® JS-45

Self-Leveling Joint Sealant


Poly-Caulk® JS-45 is a self-leveling, 100% solid, two-component modified polyurea-based elastomeric joint sealant. Poly-Caulk® JS-45 is a flexible material that is designed for 25% movement of an installed joint width.


  • 100% Solids

  • Cures from -20°F to 130°F (-29°C to 54°C)

  • Exceptional Elongation

  • No Toxic Vapor, Odorless

  • No VOCs

  • Remains Flexible in Cold Temperatures

  • Resists Jet Fuel

  • USDA/FSIS approved

Typical Uses

  • Balcony Decks

  • Bridge Decks

  • Industrial Facilities

  • Parking Decks

  • Roofing

  • Sidewalks

  • Water and Waste Water Treatment


Concrete Grey

Technical Data Sheet

Actual packaging and labeling may vary. Depiction is for illustration purposes only.

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