How to Fix a Surfboard Ding on the Rail

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A ding is one of the most dangerous problems on a surfboard. If left unfixed, chances are that it will lead to a crack which has a potential of rendering your surfboard useless within a very short time.

Whenever you notice a ding on your surfboard, your reflex should be in the direction of fixing it as soon as possible before you end up dealing with a much bigger problem that will cost you more to fix.

Every surfer who has been riding the waves for a long time has ever come across a ding especially on the rail. It is one of the inevitable accidents so when you come across it don’t panic.

The last thing you want to do when you come across a ding is taken your board to a specialist for repairs. Well, it is a good idea but a dumb one. The specialist will end up charging you more by just doing something that you would have done at home. That is why this guide on how to fix a surfboard ding on the rail is very important.

Every step is detailed for your easy understanding. Just make sure that you are both keen and carefully and before you know it, you will end up fixing your very first ding.


There are numerous items you will need to purchase. These are the things you will require to fix the ding; without them there is not much you can do. Chances are that whatever you will spend purchasing these things will be much less than whatever you would have paid someone to do the repairs. The other advantage is that you will end up using these items multiple times and this is why doing it on your own is inexpensive. To repair the ding you will need:

  • Sand papers
  • A small fiberglass cloth
  • Sun curing resin
  • Application tool
  • A knife

You will need three types of sandpapers, coarse, medium and foam block which is usually the least coarse. The type of resin you should get will depend on the type of surfboard you are using.

There is the epoxy resin and the non-epoxy resin. To know the type of resin, you should either ask the person you are buying the supplies from or the place you purchased your surfboard.

Once you have gathered all those items, you will be set, and so you can go ahead and start repairing your ding. Try making your repairs on a day when there is lots of sunlight. You will need plenty of it.

Steps of repairing a ding on the rail of a surfboard:

There are a number of steps that you will need to successfully repair your surfboard ding. Make sure that you follow each of them closely without compromise. The end should be a smooth rail with a completely covered and smoothen ding. This will be enough to enable your surfboard last longer. The steps involved include:

Step 1: Sand the ding:

Before you go ahead and start doing anything, ensure that you sand the ding on your surfboard. Make sure that you sand some few inches around it too. This will come in handy later during your repairs.

You can start with coarse sandpaper if at all the ding is large, if not, maintain the less coarse sand paper. You need to sand a few inches deep. This will create a surface area for the resin to bond well and completely seal the ding. The sanding process won’t take you too much time not unless the ding is huge.

Step 2: Apply the resin:

Get your resin whether Epoxy or non-Epoxy. Using a wooden application tool, apply the resin directly to the ding. You should ensure that you use the right type of resin for your board.

That is why you were advised to confirm from the storekeeper which resin is appropriate for your board. Some resins come with a wooden tool for the application while others don’t. If it doesn’t, make sure you find a good wooden applicator with a flat face to make distribution easy.

You should use enough resin on the ding. Don’t try to hold back on the resin. If you apply a minimum amount of resin, it may not fill the ding well and also the surrounding areas that you sanded will also be left untouched. A good amount of resin should spill over the ding and all over the surrounding areas that were sanded.

Step 3: Place a fiberglass cloth:

Let the resin dry as you prepare a fiberglass cloth. This is a special type of cloth that often comes with the resin. Cut a sizeable piece that will be able to cover the ding and the other sanded areas without leaving any area untouched.

If you leave an area, you will be risking the formation of another ding. Go ahead and lay the fiber cloth on the area and make sure that it is properly stretched. This will help to level up the filled ding with the other parts of the rail.

Step 4: Leave it to dry then sand:

This is the main reason why you need to do your repairs when there is plenty of sunlight. This is because the resin requires a huge amount of sunlight for it to dry completely. This will take quite some time, make sure you don’t continue until you are sure the resin has hardened and it is completely dry.

Some people leave their surfboards to dry for as much as 12 hours. Once you confirm that the resin is dry, using your coarse sandpaper, grit the area gently. Use the medium sand to level it and the foam block to get a fine finish. That way you will have repaired your ding well enough.

Repairing a ding is not a hard process. With the above-detailed steps, you will find it to be very easy and manageable. This will prevent you from wasting money just to get a ding repaired. It will also keep your surfboard from developing cracks which often occur when a ding is left unfixed.

Ensure that you don’t compromise any step and you will successfully repair a ding on your surfboard rail.