How to Paint over Terra Cotta Tile
Terra cotta tile floors or walls are practical and these tiles may also be used to decorate various items of furniture. The surface of a terra cotta tiles may deteriorate in time, especially if the tiles are kept outdoors, but you have the choice of painting over them.
Step 1 -- Clean and Prepare the Tile
Clean the terra cotta tile, making sure to remove mold, moss or other debris. Use a mild detergent or a tile cleaner with a soft brush. Allow the tiles to dry completely before going to the next step. Use a sander and 220 grit sandpaper to remove any remains of paint, glaze or gloss from the surface of the tile. Remove the dust that forms after sanding the surface using a clean piece of cloth or a soft brush.
Step 2 – Apply the Primer
Choose a highly adhesive, oil based primer and apply it on the surface that will be painted. Apply 1 coat and allow to dry. You may also apply a second coat.
Step 3 – Apply the Paint
Get an oil based paint and apply a thin coat. Allow the area to dry and apply a second coat.