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Step 1
Select a course grit of 40 to 60 for roughing up surfaces or stripping paint. This sandpaper is extremely abrasive and will leave marks on your wood.
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Step 2
Choose a medium grade with grit between 80 and 120 for removing imperfections and marks on your project. This sandpaper grain range can also smooth out surfaces prior to finishing.
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Step 3
Sand with a 150 to 180 grain sandpaper prior to applying a finish to your project. This grain smooths out prior imperfections left from the other courser grains.
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Step 4
Use a fine grit of 220 to 240 for sanding between coats of stain.
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Step 5
Remove dust particles in your finish with an extra fine grain of 280 to 320.
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Step 6
Buff your final coat of finish with a super fine grit of 360 to 600 to remove some fine scratches or imperfections.
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Step 1
Choose inexpensive glasspaper made from quartz particles for basic sanding and finishing. It wears quickly and is suitable for wood and metal.
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Step 2
Find aluminum oxide sandpaper for polishing hard metal surfaces and wood. It can be found on flexible fabric backing in order to conform to all shapes and lasts longer than glass sandpaper.
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Step 3
Select silicon carbide sandpaper for wet sanding. It can be used dry on wood, plastic, metal and glass. Since it can be used both wet and dry on a variety of surfaces, it is the most versatile sandpaper.
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Step 4
Choose bright green garnet paper for all around sanding and finishing of wood projects. It lasts longer than glasspaper but not as long as aluminum oxide.
