Top best answers to the question «How to repair scratches in white hull on boat»
- Miro recommends starting out by dry-sanding with 180-grit sandpaper. When you begin to see the scratch disappear, bump up to 320 grit. When 90 percent of the scratch is gone, move up to 400 or 600 grit and begin wet-sanding, working your way up to 1000-grit. When you use 400 grit or higher, be sure to wet sand.
How do you fix scratches on a boat hull?
- When the gelcoat surrounding a scratch is in good condition, the filler of choice is gelcoat paste, which provides both filler and finish in a single application — but not a single step. Because the surface of the cured paste will be uneven, sanding and polishing are required to smooth the repair and blend it with the rest of the hull.
10 other answers
For deeper, penetrating scratches, you may have to fill in the gel coat itself. That means picking up some gel coat paste. One reason white boat hulls are so popular is that they make these sorts of repairs much easier. Otherwise, when you fill in an area of gel coat on fiberglass, you may have to do some color matching. Applying Gel Coat Paste
Jul 28, 2017. #3. 2000 grit wet-sand paper, followed by buffing compound, followed by polish, followed by boat wax. Its a lot of work, but I managed to get a few small dock rash incidents out that way. Its easier to spot the "repair" on dark colors.
Gradually fill the scratch or scratches, ensuring that the filler is pressed into the fibres and shape it to match the surface contour using a plastic spreader. Leave the mixture slightly higher than the surrounding area and remove any excess before it begins to cure.
Miro recommends starting out by dry-sanding with 180-grit sandpaper. When you begin to see the scratch disappear, bump up to 320 grit. When 90 percent of the scratch is gone, move up to 400 or 600 grit and begin wet-sanding, working your way up to 1000-grit. When you use 400 grit or higher, be sure to wet sand.
Wash the area with soap and water and follow up with a high-quality boat wax on a buffer. For deeper damage that exposes fiberglass, you will need to do a little more work! Of course, start out by removing wax and grease from the area with acetone. Use a gouge to provide a uniform shape profile to the scratch.
I purchased the boat with the scrape on the bottom. I fixed it using marine tex. This product is stronger than fiberglass. If you are just fixing gel coat, t...
Use a circular motion and keep a trickle of water running on the sanding area. Feather the repair into the old gelcoat until your fingertips cannot detect a ridge. If the hull is curved, take care not to sand the repair flat. Abandon the block and switch to 400-grit wet-or-dry paper. Wet sand the surface until the repair area has a uniform appearance.
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Re: Deep Scratch on Hull Well if that is the case then you could use a product call Marine Tex. Sand the scratch out with 60 grit to remove any loose particles, Clean it real good with acetone then spread in the Marine tex let it dry, sand it smooth re-apply the sticker and you're good to go.
After hitting a rock in the lake last summer, we perform cosmetic repair to the Fiberglass Gel Coat on the bottom of the 1996 Starcraft 1750 Bow Rider. We a...