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Step 18: Polishing and Finished Board

By the time the surfboard is sanded to 1200 grit, the board should start getting some of it's shine back, if you like you can sand it with 1500, 2000 grits but found 1200 was good enough because the polishing compound I have will remove scratches 1200 grit and up. I'm using Norton Liquid Ice polishing compound that is used for polishing automotive clear coat but any good quality compound will work.

So the board will still have a matte look to it after sanding it, even up to the super finer grits. To bring back a nice high gloss requires the use of some polishing compound and a wool pad fitted to the power sander/polisher. Wet the wood pad with the spray bottle and pour a bit of compound onto the surfboard and polish at low RPMs. Compound the whole board several times.

Check the board to make sure it's not heating up and if it dries out add some water. The wool pad provides the cutting action to remove the 1200 scratches. Clean off the board and check to see how it looks it should be nice and shiny, if it isn't repeat by adding some more compound or if there are deeper scratches go back and wet sand.

Once all the scratches are removed, I switch to a foam pad for the final polish, again using some polishing compound and water. At this stage the surfboard should be super glossy and light should reflect off it beautifully.

The surfboard is done! I can't believe how well it came out for my first wooden surfboard, this was such a fun project to build. This build totally exceeded my expectations!

Install the fins and time to go surfing!

Hope you enjoyed this Instructable and vote for me in the Wood contest.

Amazing work !
We can feel the passion in your work ...
You got my vote sir !
This is fantastic, thank you for taking the time to post such an in depth instructable on it. I plan on going back through it and reading the pieces more thoroughly to see if it's a project I want to dive into this summer. I have always wanted to make a kite surfer and this might be a great way to get into doing it (I have an old paragliding kite that I could use to make my kite already). I love how you used SPF to build it since it is such a readily available wood for pretty much anyone here in the US. Have you ever tried using hand planes, spokeshaves, and drawknives to help shape and finalize a board? A lot of the furniture I build I do the final shaping with hand tools and I didn't know if you could apply the same techniques to a surfboard. Thanks for the excellent post!