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Wake Surf Board Damaged. I Want To Repair It.

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    #1

    Wake Surf Board Damaged. I Want To Repair It.

    My brother fell and somehow managed to fall on the fin and brake the fin box loose from the board. This is a cheap board but it makes a good boat board, so I'd like to try to fix it. Anyone have a procedure for doing this? Maybe just fill the box with some epoxy and then place the box back inside so it matches the angle of the other side? Would I need to glass over it? If so, how do I do that part of it?

    Thanks for any help.

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    #2
    You are right on track with putting epoxy in the board and then placing the fin box back in. Make sure not to mix too much hardener and get it too hot, use the recommended amount, be patient and give it several days to set up before using it. Use some tape to hold it in place during the initial setup of the epoxy to maintain alignment.

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      #3
      So, I've been building boards for many many years, and I am not even sure what kind of box that this. It is a two tab style to fit FC style fins, but it does not appear to be designed to have fiberglass over the top nor does it have any flanges.

      As far as hardener goes with epoxy, you mix the proper volumes to get a good cure. It is not like Polyester or vinyl ester resin. More hardener does not equal faster cure or more heat. In fact if you use too much hardener with most polyamine epoxies it will cure rubbery, soft or gooey. The total volume of epoxy is a small area is what causes too much heat and melting of polystyrene foams.

      You need to pull the box, clean it up, you may need to fill the hole and reroute it (this is best, but usually outside the scope of the average repair).

      I can supply you the materials if need be and walk you through the repair.

      Nick

      You do have fiberglass damage around the box, so a layer of 4oz on top will not hurt.You can tape the box off and cut the fiberglass once the resin is gelled.

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        #4
        The board is a Jobe Fade, if that makes a difference. It was the cheapest board at the boat store when I got my boat. It's a perfect boat board now. I'll pull the box out tonight and get it cleaned up. I'd like to be able to just pour some epoxy into the hole and stick the box back in. If the foam is all broken out inside the pocket, I guess I could put in new foam and route it out. What kind of foam do I need to put in there? Any specific epoxy to use for this job? If I fiberglassed, would it be better to glass over the fixed box as well to add strength to it, or just glass around the outside of the box? How much epoxy do I put in the hole? Enough to make it over flow a bit when I put the box in?

        I watch a few youtubes of surfboard repairs. Usually they put a piece of fiberglass over the top of the box, put epoxy down, and then I guess they let that set up a bit and then do a "hot coat", or something like that. Is that something special or just the same epoxy that they used on the glass?

        Then lastly, what's the sanding procedure for the new glass? Any tips on making it blend into the surrounding stuff? Is there a top coat or anything like that after the sanding is finished?

        Thanks.

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          #5
          Unstuck, if it were me, I would take Nick up on his offer to repair the board.

          He is likely the most experienced wakesurf board shaper in the industry. Although the Chaos brand might sound new, Nick, I think, designed many of the Shred Stixx boards when Shred Stixx was the go to custom board.
          Mods: MLA BIG Ballast System (1800+ Custom sacs, 2 500 W705 sacs under bow), Duffy Surf Flap Mod, Trimmed Swim Deck, Top-Mount Starter

          Comment

            #6
            Unstuck where are you?

            If you are in Southern Cal, I would bet Jeff at Soulcraft would help you as well. Just giving you option in case someone falls through. Jeff has a board of mine now that I took to him as well as shaping me something new. Good people either way you go...
            Germaine Marine
            "A proud dealer of Tige, Supra, Moomba and ATX performance boats"

            Comment

              #7
              I'm taking a group of boy scouts out on friday. I need to have this board up by then. I'm just looking for a easy fix. Even if it's not the "proper" way to do it. Just need it to work. I'm in SLC.

              Comment

                #8
                Also, I'm not sure if this board was made with poly or epoxy. Does it matter if they are mixed?

                Comment

                  #9
                  Post a pick of the inside of the box. If repairing with epoxy it does not matter if it is a polyurethane, polystyrene or PVC core. If using polyester resin, it will eat up a polystyrene core.

                  You can fill and seal the foam with a small amount of epoxy. Once semi cured, then lay some fiberglass inside the box hole and add more resin and place your box setting the depth and angles with a fin and tape.

                  If you are comfortable with a grinder/sander it is good to set the depth a little higher than flush so you can grind the top down with the excess resin. This will also allow you to grind the the fiberglass off the top of the box when you place a layer over it. Make sure the surface has been sanded well and is clean, otherwise you will not get a good bond.

                  Nick

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                    #10
                    Here's some pictures. Hopefully you can tell what it is. I'll be sure to get epoxy so it wont matter. I cut out the white colored fiberglass around the hole, after taking these pictures, opening it up just a bit. I figured this would allow me to put glass over the hole, then push it inside the hole with the fin box. I'll do like you said and seal the foam before putting glass in there.


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                    Thanks for the advice Nick.

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                      #11
                      That is eps. the boxes goes through to the deck of the board. You should be all good with your plan.

                      Nick

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                        #12
                        So here's my first attempt at a surfboard repair. Cleaned out the hole then put epoxy on the walls of the foam and the bottom of the hole. The fin box sat too low when it went in so I placed some fiberglass in the bottom as well to hold it up a bit. Once that all started to set up I moved on to placing the box. I laid some glass over the hole and then pushed it down in with the fin in the box. I got pretty slow epoxy to make sure I wouldn't be rushed. And boy was it slow! After it had set up a bit I made sure that the fin angle matched the other side, then pulled the fin out. I then laid glass on top of the whole thing with more epoxy. It was nice and hard this morning so the sanding will start when I get home from work. I think the finest paper I have at home right now is 320. Is that fine enough or do I need smoother for the finish?

                        I hope this was correct, or at least good enough. We'll know for sure this weekend, I guess.

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                        Comment

                          #13
                          Got this project all wrapped up. I wasn't expecting too much from this first time repair, but it turned out pretty good, I think. I feels sturdy so that's good. It will be on the water this weekend so we'll see what happens. Thanks to all those that offered advice.

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                          Comment

                            #14
                            Looks good.

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                              #15
                              It did great! All Friday and Saturday without a single issue. ( It never left the board rack, but...)

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