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Most Concrete Professionals looking to produce and exposed aggregate do so by spraying a chemical onto the slab surface immediately after placing and finishing. This delays the set and gives them the flexibility to remove the cement paste up to a day or so later, either by scrubbing or pressure washing.
The flexibility or using chemicals can be important when seeking consistant results on large jobs or during hot weather.
Eco Surface Retarder is an aqueous solution of penetrating and retarding agent acting as a top face retarder, it has been formulated to retard but not kill the set of freshly placed top face concrete that it comes into contact with.
Suitable for either sprayer watering can application. It retards the set of the surface cement matrix of freshly cast concrete for easy removal.
What is Exposed Aggregate? Exposed aggregate is a type of decorative concrete. Created by removing the cement’s top layer to expose the underlying aggregate, it’s a very durable material that boasts a raw, natural look.