You have to start out with a rough grit and work your way down to a fine grade.If it's necessary you start with an 80 grit sandpaper.Then you go over it again with a 120 or 180.If you want it even smoother you go to a 220.You'll need more of the finer grits as they're more easily worn down.
Medium sandpaper is best for sanding wooden furniture.
any surfaces really! just not rough stuff like sandpaper!
Sandpaper is used to add a nice, smooth finish to a piece of wood or to an object made out of timber. When a fine smooth finish is required on an object's surface, different grades of sandpaper are used to rub down the surface, starting with the coarsest grade and working through to the finest grade. The rough texture of the sand stuck to the surface of the paper scratches off the roughness of the object's surface making it progressively smoother. Frequently sandpaper is used between the application of layers or "coats" of paint. Sandpaper may also be used to file fingernails or remove rough areas of calluses on the skin.
Polyurethane finish is what you should be using as well as a heavy grit sandpaper when sanding down the old finish. A newer orbital sander is best to use also.
If its metal then it'll crack easily. The best thing to do is to get sandpaper and rough up the exterior of the flute to help the paint stick. Also, use a sealer or gloss afterwards.
Your best bet is to use sandpaper.
If it's a wood deck, then sanding is the best option. Pressure washing will damage the wood which will have to be repaired by sanding. Also, if the coating has a tenacious bond, pressure washing will not get ir all up. The rest will need to be removed either chemically, or mechanically by sanding.
You can use two different types of grout for bathroom showers. If your tile requires a thin line of grout then it would be best to use a non-sanding type and for tile that requires a wider line of grout its best to use a sanding type.
The best way to remove luminated paint from your taillights is by sanding them smooth.
What is the best way to get rid of rough spots on pool steps??
Lacquer paint (works best if you sand it first with a fine-grain sandpaper).
Piano