How To Seal Acrylic Paint On Concrete. Never use varnish to seal acrylic paint if it is even slightly wet. 10112010 Clean the concrete surface with soap and warm water removing any old paint.

Do a 2nd coat possibly a 3rd depending on how thick of a coating you desire. High-grade paint is not only easier to work with but it also produces brighter colors and lasts longer. After the bulk of the paint has been removed use a soap and water solution to cleanse the area.
Start in one corner and work your way along each wall applying tape to.
Do a 2nd coat possibly a 3rd depending on how thick of a coating you desire. I use mostly concrete pigment for color but some acrylics. 14012020 That way the paint will absorb into the concrete creating a seal which will protect your top coat of paint. Acid etching will allow the paint to better adhere to your concrete surface.