Preparing Concrete Floor For Textured Paint
Test the floor for moisture by taping a 2 foot by 2 foot piece of plastic to the.
Preparing concrete floor for textured paint. Wait until your concrete floors are dry before you prime. Allow the first coat of paint to dry for about 10 hours. Project summary use patching compound to fill any holes scratches or gouges in the concrete surface. Concrete patch can be used in place of mortar.
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. Check your wood flooring manufacturer s recommendations and sand any high spots with a concrete grinder. Typically the floor must be level and uniform within 3 16 inch every 10 feet. Scrub away any dirt grime or gunk that is stuck to the concrete.
Clean the concrete surface with soap and warm water removing any old paint. Excess residue may interfere with adhesion of the coating. Apply the second coat after the interval. Check under the plastic.
The surface is ready for priming when it feels like medium to light grit sandpaper and no residue or loose concrete remains. Allow the paint to dry for about five days. 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. Wait 16 to 24 hours.
Fill any low spots with a cementitious leveling compound following the manufacturer s directions and allow it to dry before proceeding. First sweep away any surface leaves debris and dirt. This item floor tex 40 textured concrete coating custom color kilz l378701 interior exterior slip resistant decorative concrete paint 1 gallon gray kilz l377711 1 part epoxy acrylic interior exterior concrete and garage floor paint satin slate gray 1 gallon 1 gallon 4 l. Use the paint roller for painting the areas away from the edges.
Thoroughly rinse the concrete surface with clean water using a hose with a high pressure nozzle or a pressure washer. A floor sander can be used to remove peeling paint on larger areas. Tape a large piece of plastic over a portion of the old concrete garage floor attaching all edges of the plastic to the floor. Leave the plastic on the floor for 24 hours.
Moisture will prevent the primer and paint from adhering properly. Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry. Use a bigger paintbrush for this. An easy way to tell whether the floor is dry enough is to place a small.