For professional results spray paint finish onto bathtub using an air compressor.
What grid sandpaper ti use on ceramic bath tub.
Some opt to sand the tops of porcelain tile in an effort to simply clean the tile.
Although light applications of the 220 grit sandpaper will certainly do the trick a better method is to use a toothbrush to apply nonabrasive cleaners as cleaners of this type will manage to clean not only the smooth surface but also the grout.
Sand any rust areas and sand the dirty overflow area.
220 grit is recommended to sand ceramic tiles.
400 grit sanding block or orbital sander.
The sanding needs to be a slow and careful process.
Sand the tile s surface with 180 grit sandpaper.
If you want you can use a synthetic sandpaper such as aluminum oxide.
Using your orbital sander or by hand sanding begin sanding with 120 grit paper or sanding disks put your respirator on first.
You can also use a paintbrush to do the job.
Sandpaper with 1500 to 2000 grit used with a light touch does less damage than coarser sandpapers but the wet or dry silicon carbide 3000 grit sandpaper might be all you need to clean or diminish the appearance of minor blemishes.
Sand the entire surface of the porcelain bathtub with fine grit sandpaper.
Sanding the tile will remove any gloss from the surface.
Use light pressure with the sandpaper so you don t scratch or damage the tile s surface.
Remove all the dust with a shop vacuum cleaner.
Next sand the entire bathtub using wet dry sandpaper.
This will take the glaze off the tile but still leave the surface smooth.
Sand the entire tub down well.
This will rough up the gloss so that paint easily adheres.
Keep in mind that sandpaper should be used to sand the surfaces of ceramic tiles as well as to smooth any sharp edges that the tiles may have.
The trick is to ensure that all the glaze is removed but none of the finish.
Either sand by hand with a sanding block or use a palm sander.
Do one pass with 400 grit paper and a second with the finer 600 grit.
However if you need to change the size and shape of a ceramic tile you are advised to make use of a diamond wheel or a.
Sandpaper is an abrasive product that makes minor scratches on the porcelain surface.
Wait 15 20 minutes before applying another coat.
Use the finest grit available that does the job.
Sand the corners of the tub and where the tub meets the tile.