Surface Gel Tek

HD24 Pre Grind

HD24 Pre Grind is a gelled acid concrete etching product that removes contaminants and top laitance and leaves a 100-80 sand paper grit profile.

  • Use as a pre-grind for polished concrete floors and when an aggressive opening is needed
  • Increases slip resistance
  • Generates no silica dust or noise pollution and contains no VOCs
  • Neutralizes with water and is flushable to sewers
  • 1- and 5-gal. containers with 300 to 350 sq. ft. coverage per gal. on smooth surfaces
  • 24% acid 

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