Proper sanding creates the best finishes, whether you're working with wood,. The grit number of a sanding product indicates the size of the abrasive particles.
Coarse grits (those under #100) damage a fine wood finish. Medium grits, such as #120 and #150, are useful for removing old finish or scratches. Fine grits, such as #220, are frequently used for a final light sanding just before applying stain to the wood.
Get to know how different sandpaper grit types and grade impact the sanding process. If you've ever worked with wood, you're likely familiar with instructions to sand all. . vibrations do all the sanding work, you only need to guide the sander.
To prepare bare wood for paint, for instance, Norm starts with 80-grit paper, followed by 100, 120, 150, and. Following is a guide to the six most common types.
Q: In project articles, you often say â€œsand to 220 grit.â€ But how do I know which grits to use before 220? And should I always sand to 220? â€”Leonard Tucker .