If you're considering applying new bottom paint, here are a couple things to check before you begin:
- Condition of the previous paint: First, check the existing paint to see if it's peeling, flaking, or loose. If it is, scrape and sand back heavily, or remove it completely by sanding, scraping, or using a chemical paint stripper. Clean the surface completely, then apply an epoxy barrier coat primer before applying your bottom paint, as directed.
- Compatibility: All bottom paint manufacturers (e.g., Interlux, Pettit, and Sea Hawk, among others) have compatibility charts available online. Check the chart for the bottom paint you want to use to see if your new bottom paint is compatible with the existing bottom paint on your boat.
To ensure the best results and your personal safety, always read the paint can label for proper surface prep and application instructions, read the safety data sheet (SDS) and put on proper personal protective gear before you begin. Also, make sure you're using the appropriate tools and vacuum equipment if you are sanding bottom paint.
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