How to Remove Paint From Exposed Aggregate

Exposed aggregate is a surface used for flatwork, especially on sidewalks, patios, driveways and pool decks. The surface is formed by placing concrete and removing the outer layer of cement paste to reveal decorative, coarse aggregate like stone or gravel. Removing paint from exposed aggregate can be accomplished with a chemical solvent. Such paint thinners are commercially available in different varieties to suit your purposes. Proper application will restore the surface to its original condition.

Things You'll Need

• Bucket
• Water
• Detergent
• Mop
• Multipurpose paint remover
• Long-handled paint scraper
• Paint thinner
• Scrubbing tool
• Garden hose

Instructions

1. Fill a bucket with water and a mild detergent. Soak a mop in the solution and simply rinse the offending paint from the exposed aggregate surface using moderate pressure; this method is effective on latex and acrylic paints, which do not permanently stain natural stone.

2. Apply a multipurpose latex paint remover to quickly dissolve small quantities of latex paint from the aggregate. These commercial products can safely remove cured latex paint from nearly any surface with a simple spray-on application.

3. Use a long-handled paint scraper to lift as much dried oil-based or enamel paint from the exposed aggregate. This will ease removal before applying a stronger solvent.

4. Proceed with an industrial paint thinner, or paint stripper, for especially difficult areas of paint. Select a liquid formula and follow the manufacturer's instructions for proper application regarding dried paints.

5. Loosen the paint with an abrasive material once it has been softened by the solvent. Scrub the exposed aggregate with a scouring pad, cleaning brush or medium grade of steel wool to thin the paint; avoid using materials that could mar the surface, such as a wire brush.

6. Rinse the surface of excess paint and chemicals with a garden hose or mop. Allow the aggregate to air dry for a full 24 hours.

References

• The Granite Guy
• ACE Hardware
• Painting and Decorating Concourse