weberfloor 420 HP

Product formerly named: formerly Floortop.420 HP


High performance surface hardener in powder form weber.floor 420 HP is a ready to use surface hardener for concrete made with selected aggregates (Silica, Basalt & Emery), special cement and additives. It is an economical floor hardener recommended for internal and external use. With its high abrasion resistance and strength, weber.floor 420 HP is a heavy duty concrete surface hardener particularly recommended for heavy traffic floors. weber.floor 420 HP improves by 43% abrasion of a high performances concrete slab having 60 MPa compressive strength.


Surface of application

Floor, Roof

Available packaging

Lebanon Syria Jordan KSA UAE Qatar Kuwait Oman
50 kg 50 kg 50 kg 50 kg 50 kg 50 kg 50 kg 50 kg


Documentation and brochures

To know before applying

  • Floor hadener in powder form with Emery aggregates
  • Spread homogeneously weberfloor 420 HP on all the fresh concrete surface
  • Consumption for moderate traffic: 4 to 5kg/m2
  • Consumption for high traffic: 5 to 7 kg/m2 

For more information please refer to the technical data sheet of the product

Features and benefits

  • Economical floor hardener.
  • Recommended for heavy traffic.
  • Enhances the substrate's compressive strength.


  • Do not mix with water
  • Do not apply on large areas without control joints