Isocast 55A

Isocast 55A is a color stable, 100% solids, polyurea hybrid joint filler for concrete flooring. This material provides exceptional adhesion characteristics and fast cure times. It can be used under traditional floor coatings in heavy traffic areas or under clear coatings in more decorative applications. With a flush shave window of 30 minutes to 24+ hours, this product provides incredible ease of application without significant time constraints.


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Technical Data Sheet


  • Concrete Crack Fill
  • Concrete Joint Fill


  • 100% Solids
  • 1:1 System by volume
  • Can be dispensed via a Cartridge
  • Chemical resistance
  • Excellent Adhesion to Concrete
  • Fast cure and dry time
  • Zero VOCs
Product Types



Product Testing

Test PerformedTest Results
% Solids100  
Elongation - ASTM D412400-500 % 
Full Cure3-5 Days 
Gel Time1-2 Minutes 
Hardness - ASTM D2240 - Shore A50-60 Shore A 
Ratio by Volume - ISO:POL1-1  
Tack Free Time7-15 Minutes 
Tear Strength - ASTM D624, Die C150-250 pli 
Tensile Strength - ASTM D412700-900 psi