Patching Cement Floor Before Painting

Use a degreasing cleaner and a scrub brush with water to remove any dirt and grease from the concrete floor.
Patching cement floor before painting. Look for products designed to prepare floors for epoxy as many of these patching products dry more. Many concrete patching products must cure for several weeks before you can apply epoxy coatings. Paint does not adhere to fresh concrete. Concrete overlays can.
Clean the surface thoroughly removing dirt oil grease and any other substances that may prevent the paint from adhering to the concrete. Sand off any splatter residue lumps or uneven areas on the concrete floor. Spritz the old concrete with a little water to make it damp before applying the cement paint. The cost of resurfacer for a two car garage is typically less than 200.
Allow the concrete to cure at temperatures of at least 75 degrees fahrenheit for at least 30 days. Priming before you paint concrete floors helps ensure that your new look will stick. Fill holes and cracks with a cement patching compound. Check the weather forecast to ensure you have 2 3 dry days in a row before painting outdoor concrete.
Once the floor is clean and dry patch the cracks and etch the surface before you paint. Select a primer that s compatible with both concrete and the epoxy paint that you ll use as a finish coat. Hardened residue may require a scraper. Apply concrete patch to fix any major defects such as cracks gouges or uneven surfaces.
If painting a concrete floor use a floor texture additive that can be stirred right into the paint to prevent falls. There are cement based patch products but braunshausen recommends his company s epoxyshield concrete. The best concrete paint results come from careful preparation and concrete repair followed by application.