Sand Bathroom Walls Before Painting

Dust and sanding debris will mar your wet paint.

Sand bathroom walls before painting.

When painting a bathroom or kitchen wash the walls with a solution of approximately three teaspoons of laundry detergent to one gallon of water. Even careful diyers are tempted to bypass this step when the walls appear to be clean and in good shape and many do it yourselfers don t bother to clean in any way instead opting to simply slather paint over the walls. Wall dirt makes it difficult for paint to stick to the surface so make sure your wall is spotless before you start painting. Smoothing walls before painting is necessary for surfaces previously painted with a gloss or high gloss paint.

Sanding a wall before painting is part of the cleaning process. For other small imperfections on the wall such as plaster bumps smooth them away with sandpaper. You can always tell when an uneven surface was painted because you will see darker and lighter patches on the wall. Sand the walls lightly with medium grit sandpaper brush them off with a dry cloth and vacuum up all residue.

Scrape any cracked or flaking paint with a paint scraper. For oil based paint a medium grit sandpaper 100 to 150 grit should be used. For previously painted water based paint sand with a fine grit sandpaper. No diy advice is ignored as often as the recommendation to thoroughly wash the walls before priming and painting.

Tsp is a stronger cleaner. If not turn on the. For stubborn stains try baking soda a substance that s used to clean everything from sinks to toilets. Wear rubber gloves when using tsp or a bleach solution.

Again wipe away any debris and allow to dry completely. Alternatively dilute concentrated tsp trisodium phosphate cleaner with water as directed. If your bathroom has a window open it. Don t sand so hard that you cut into.

It takes away any bumps and impurities which would otherwise cause an uneven painted surface even if you are using the best paint sprayer for walls or a basic roller.