9801, Parkway, Anjou, Québec Canada H1J 1P3
1 866.51.PROMA (77662)


PRO TOP™ FX is a polymer-modified, fast-setting, fiber-reinforced, shrinkage-compensated, calcium aluminate cement-based repair mortar formulated with Corrosion Guard™ protection that is designed to fill cracks, voids and hole on wall and floor concrete surfaces. Once dried, its light grey finish will match typical concrete color. It can be applied from featheredge up to 10 cm (4″) thick.


  • Generates very high compressive strengths (>7,000 psi [>49 MPa])
  • Apply from featheredge up to 10 cm (4″) in thickness
  • Shrinkage-free
  • Formulated with Corrosion Guard™ protection
  • Light grey color
  • FAST-SETTING: Foot traffic after 3-4 hours
  • Can be mixed with PRO SET PLUS™ for better performance
  • For use over concrete horizontally and vertically
  • For interior and exterior, institutional, commercial and residential applications
  • Compatible with all setting materials
  • Blocks pH when installed greater than 5 mm (3/16″) thick
  • Will not promote mold, mildew or bacteria growth
  • No VOC
  • Product characteristics improves indoor air quality compared to Portland cement-based products
  • Eco friendly for users of the material
  • Contributes to LEED® objectives and requirements


22.7 kg (50 lb) bag


Data Sheet



Use this convenient calculator to determine how much product you will need for a project.