surface retarder

surface retarder

A retarder applied to the surface of newly placed concrete or to form-work; used to (a) delay setting of the cement, (b) facilitate the production of exposed aggregate finish, or (c) facilitate construction joint cleanup.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Seeding aggregate, finishing for top surface retarder application, applying top surface retarders, washing the surface;
ACI launches twin Decorative Flatwork certifications
Effective January 1, 2014, there are new VOC limits for the following coatings: Concrete Surface Retarder, Dry-Fog Coatings, Clear Topcoats for Faux Finishing Coatings, Trowel Applied Faux Finishing Coatings, Fire-Proofing Coatings, Form Release Compound, Graphic Arts (Sign) Coatings, Mastic Coatings, and Metallic Pigmented Coatings.
Important reminders of SCAQMD 2013 Rule 1113 compliance deadlines
The 'printed' effect on the concrete panels is achieved by applying a surface retarder to a special membrane which was spread on the mould table when the concrete panels were cast.
133 Hameenlinna provincial archive
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