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Architectural Concrete - United States


Surface Retarders

Duro-Tard™
An in-form surface retarder with unmatched abrasion resistance for the most difficult applications, Duro-Tard is excellent for large or intricate architectural precast or for high vertical poured-in-place concrete such as bridge work. Available in nine depths of etch.
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Endura-Tard™
A general purpose in-form retarder with excellent heat resistance, Endura-Tard is ideal for architectural finish precast, insulated panels, or poured-in-place concrete. Especially suited for insulated panels where moisture levels are critical. Available in nine depths of etch.


Euro-Tard™
A one-step, general purpose in-form retarder with excellent heat resistance. Ideal for architectural finish precast or poured-in-place concrete. Available in ten depths of etch.
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Gel Etch™
A light, controlled acid etch without fumes. Gel Etch will preserve the details of form work and not interfere with waterproofing or other coatings. Ideal for simulated limestone or for field patch work including vertical surfaces.


Top-Cast®
A water-based top surface retarder designed for poured-in-place flat-work and the top surface of precast panels. Top-Cast provides excellent protection against intermittent rain. Available in eleven depths of etch.
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Undercoat VMR™
An innovative mold release for use with Grace retarders, Undercoat VMR allows a complete transfer of retarder film and retarded matrix to the concrete, leaving forms clean for the next cast. For use on steel, fiberglass, concrete or wood.
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