Using A Dual-Action Polisher
Q: I have a DA (dual action) polisher that I use on my car. Can I also use it on my boat?
A: Yes! There are areas where a DA polisher can come in quite handy if you don’t want to spend a lot of money on a variable speed buffer and if you just want to keep certain areas of your boat polished yourself in between the big yearly wax jobs.
As I just talked about in the previous question, a DA polisher can be used to keep colored stripes buffed and polished on a regular basis to keep them from fading. DA polishers, because of their smaller size, are also great for getting in those hard to reach places such as around corners, under rails or between areas of non-skid.
One area where we often use a DA polisher is on gel coated cap or toe rails. These areas often fade quickly because of their horizontal surface that bakes in the sun (UV rays hit them more directly causing them to fade faster). A DA polisher is also great for buffing the topside of a ski boat or sailboat that has a lot of nooks and crannies.
A DA polisher isn’t as “aggressive” as a variable speed polisher when it comes to removing heavier oxidation, so I wouldn’t recommend using one on your whole boat, such as the hull, brow or transom. They’re best used for smaller areas that you can do more often to remove light oxidation and add a layer of wax throughout the season as needed.
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