Slow Willie

Slow Willie is a dry, powdered concrete delay set product conveniently packaged in easy-to-use one pound bags. It's easily mixed in with concrete during the placing operation giving you greater control.


  • This must-have power concrete retarder saves you money and time.
  • Delaying the setting time allows the operator time to reach proper clean-out locations.
  • This pre-packaged delay set works well with any mix and will not affect structural concrete strength.
  • Use one bag to delay one yard of concrete for up to 3 hours.
  • (20ea. 16oz. bags per box/pail). Sold in either a box or pail.
  • Category: Concrete Retarder
  • Brand: EnviroSystems
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SKU: Price Quantity Status
SLOW_BX $83.99 In Stock
SLOW $94.99 In Stock