LITHOCAST® Surface Retarder

Water-based, biodegradable, low odor top surface retarder

LITHOCAST® Surface Retarder is a water-based, biodegradable, low odor top surface retarder. Applied to the surface of fresh concrete, LITHOCAST® Surface Retarder chemically delays the set of the surface mortar while allowing the underlying concrete to harden normally. This allows time for washing the surface, producing exposed aggregate flatwork, with subtle and varying reveals of texture and color.

  • Fully cured surface is attractive and slip resistant
  • VOC compliant (<10 g/L)
  • Solvent free
  • LITHOCAST® Surface Retarder is safer and cleaner to use compared to acid etching or mechanical blasting
  • LITHOCAST® Surface Retarder is available in multiple textures and colors