Wait 16 to 24 hours.
Preparing concrete floor for textured paint.
Fill any low spots with a cementitious leveling compound following the manufacturer s directions and allow it to dry before proceeding.
All concrete is porous and absorbs moisture but if your concrete patio contains too much moisture you won t be able to paint it until you correct the moisture content.
Excess residue may interfere with adhesion of the coating.
Moisture will prevent the primer and paint from adhering properly.
Scrub away any dirt grime or gunk that is stuck to the concrete.
Allow the paint to dry for about five days.
Tape a large piece of plastic over a portion of the old concrete garage floor attaching all edges of the plastic to the floor.
Then remove any existing paint or gunk using a power washer or scraper and wire brush.
The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains.
Start by painting the edges of the concrete surface.
Project summary use patching compound to fill any holes scratches or gouges in the concrete surface.
Check your wood flooring manufacturer s recommendations and sand any high spots with a concrete grinder.
Use a bigger paintbrush for this.
An easy way to tell whether the floor is dry enough is to place a small.
Test the floor for moisture by taping a 2 foot by 2 foot piece of plastic to the.
Leave the plastic on the floor for 24 hours.
Take an 18 inch by 18 inch square of aluminum foil or thick plastic and tape down all four sides sealing the square to the concrete with tape.
First sweep away any surface leaves debris and dirt.
Wait until your concrete floors are dry before you prime.
Typically the floor must be level and uniform within 3 16 inch every 10 feet.
Allow the first coat of paint to dry for about 10 hours.
Concrete patch can be used in place of mortar.
Apply the second coat after the interval.
Clean the concrete surface with soap and warm water removing any old paint.
Check under the plastic.
Use the paint roller for painting the areas away from the edges.
A floor sander can be used to remove peeling paint on larger areas.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.