What grit should I start sanding?
On a board just milled to thickness with a well-tuned planer, you can usually start sanding with 150 grit.
If you bought a presurfaced board, you might have to start with 120 grit to remove incidental scratches that were on the board when you got it..
What is 400 grit sandpaper used for?
180 to 220 Grit Sandpaper: Finer grit sandpaper is great for removing the scratches left by coarser grits on unfinished wood and for lightly sanding between coats of paint. 320 to 400 Grit Sandpaper: Very fine grit sandpaper is used for light sanding between coats of finish and to sand metal and other hard surfaces.
Should I sand between coats of spray paint?
If the surface came out great after priming, and you can run your hand over it and it feels smooth, there is no need to sand between coats.
What grit sandpaper should I use before painting?
Smoothing walls before painting is necessary for surfaces previously painted with a gloss or high-gloss paint. For previously painted water-based paint, sand with a fine-grit sandpaper. For oil-based paint, a medium-grit sandpaper (100- to 150-grit) should be used.
Can you sand a car with an orbital sander?
An electric orbital sander is a great option for a beginner who needs a good tool to sand or polish their car. All you have to do is plug it in, and you’re good to go. Just keep in mind that the vibration that electric sanders give off can be unpleasant.
What is 800 grit sandpaper used for?
Micro Grit SandpaperTypeDescriptionCAMIUltra FineMost delicate abrasives800-1,000Super FineSlightly wipes away patches/small inconsistencies but not strong enough for removal400-600Extra FineSlightly less fine and more abrasive than Super Fine360 or 320Very FineThe least fine of the micro abrasives240Jan 1, 2017