Chemicals | Liquids | Surface Retarders


Top-Cast® is a water-based, top-surface retarder which does not require covering with plastic for protection.  It is available in 11 depths of etch, each one color and number coded for safety and convenience.

TOP-CAST® by GCP Applied Technologies Inc.
  • Comprehensive range of etch depths
  • Excellent depth of etch control
  • Color and Number coded products
  • Pigmented for ease of application
  • Excellent coverage rates
  • Requires no plastic covering
  • Fast turnaround
  • Low odor

Ideal for cast-in-place flatwork and the top surface of pre-cast concrete panels. The wide selection of grades available provides a comprehensive range of effects, from a simulated light acid wash or sand blast finish up to full exposure of 1-1/4 in. (32 mm) aggregate.


Product Code Packaging
309055 5 gallon pail
309056 5 gallon pail
309057 5 gallon pail
309058 5 gallon pail
309059 5 gallon pail
145523 5 gallon pail
145524 5 gallon pail
145525 5 gallon pail
145526 5 gallon pail
145527 5 gallon pail
145528 5 gallon pail
Specific customer pricing may be available in Dayton Access. Minimum standard packaging sizes may apply.