Quite a few years ago, I decided to change the location of some of the screws that attach the aft floorboards. I did this for easier servicing and maintenance. Van's floorboards already had the screw holes pre-punched, however. So today, I made about 18 old holes in the aft floorboards magically disappear. After they were gone, I sanded, cleaned, prepped and primed both floorboards.