Question: Need to sand off a rough patch on my porch, made of wood.
Option 0: Start with a coarse grit, such as 40 or 60. After the main problems are smoothed off, you can finish to a very smooth finish using a higher grit such as 360 or even up to 600 for a polished look.
Option 1: Start with a course of grits, such as 40 or 60. After the main problems are smoothed off, you can finish to a very smooth finish using a higher grit such as 360 or even up to 600 for a polished look.
Answer: 0