The other day I caught a deck ding on my XPS fish (see “Buck-twenty” in resoures). As it’s XPS, I continued to surf on it. Unfortunately, the board developed a major delam on the deck. I’ll have to cut away the glass and re-laminate a patch.
I searched the site and found suggestions from an X-acto knife to a Dremmel tool. The deck is 2 x 6oz. and my knofe won’t cut trough. I don’t have access to a Dremmel tool. Any suggestions?
leave the glass in place.
drill a hole at each end.
squirt it full of resin.
lay a sandbag on top and stick that glass back down where it belongs.
There’s already a 3-inch long hole in the deck from the nose of the board that dinged mine. I’ll have to fill that. The delam spreads from the hole just about to the stringer and an inch or so away from the beginning of the rail.
Throw it away and build one out of EPS. Seriously you dont give any dimensions on the delam size…all you say is from the ding to the stringer, to the tail?? Whats that all about?
So it sounds like the whole board delamed from the nose to the tail…all the way to the stringer? Thats how I read it here in SD…so I’d just chuck it and make a new one.
-Jay
No, it’s not nose to tail. The delam forms about an 4 inch radius around the ding. It’s too big to do the two-hole syringe method.
Short of removing a big section of glass I was thinking of treating it like a giant snake bite; make a big “x” cut through the glass, peel back the corners, squirt in some epoxy, weight it down, and cover it with a patch of 6 oz. What’ya think?
The delam forms about an 4 inch radius around the ding. It’s too big to do the two-hole syringe method.
no…it isn’t…not even close.
i’ve repaired delams over 3’ x 1’.
there are plenty of ways to get the resin in there and saturated.
brainstorm it…you’ll figure it out.
Really? Well, cool then. I’m just wary of cutting away too much glass. I tried the two-hole syringe method once and made a mess of it.
I used a circular saw to cut along the rail when I stripped the glass off of an old board just last month. I don’t think I could pull off a clean cut on the deck of this board, though. I also think the XPS foam will grap the blade and I’ll wind up taking chunks of it out.
I just make a small hole in my XPS delams (as soon as there are some, check it after every surf) so the air can escape.
There will run some water in but what does a few ml make for difference??
My board now has around 10 holes in it and I still ride it :P!
Thats luck by bad-luck. XPS delams but XPS doesn’t suck up water! So I recommad to make a small hole and leave it like that. Except when it is over the full width because that really makes a weak spot.
edit: I read it is a 4inch radius hole. That’s quite big! it’s better to repair it. But the things I said above is good for your future delams, try to see it quick.
cut the cancer out back to the good glass, then just patch in some new glass, sand it smooth and put a sticker over the ugly.
Or Make a new board…thats more fun.
That’s what I’ll do. I just need to rent a Dremmel tool too cut away the glass.
I’m planning on making two EPS boards during the next month. I’d like to try hotwiring the blanks, from rocker to plan shape. It’s hard trying to find a local EPS supplier, though.
Howzit peobus, Instead of getting a dremel use the edge of your sander to thin the resin/glass around the ding then use a blade to cut the bad out. Actually I use the drill holes and fill process. The trick is to put a trash bag full of sand over the ding after injecting the resin into the holes. The bag will press down the glass back to it’s original shape, oops forgot to say to put some wax paper between the deck and the trash bag. Aloha,Kokua
For something that small I completely agree with Kokua, drill some holes and inject the resin, hardware stores carry syringes, but be careful, I had blow back one time and it hit me in the eye, I had to rinse it with Gatorade and Perrier water…talk about pain!
Also make sure it is 100% dry, if it’s not, you are wasting your time.
…I can add that an exotherm reaction occurs so too much heat can yellowing the board in that area
…yes, I use the sander but I crank up on it (on the bad area) so, use the “hole” or holes (that you obtain when the weakest part peeling away) to inject the resin
Thanks, folks. I’ll give it another day to dry and have at with my sander.
Well, it took about 4 days of hot sunshine to dry out the board. It was my first ever shape, and although it was XPS, I wanted to repair and use it. I wound up getiing some System Three General Purpose epoxy at a local tool shop. It’s not as clear as RR, but it was available.
I used a tile cutter with its router like attachment to cut out the bad glass. I roughed up the XPS with some 60 grit. Next, I used some extra insulfoam (the stuff in the spray can) to fill the void. I made little quarter inch beads of the stuff so it would have some strength. As it began to harden, I knocked it down below the top layer of glass with some wax paper on an old shingle. I roughed that up a bit and blew out the dust.
Next, I drilled a tiny hole at the far end of the delam bubble. I cleaned out a craft paint bottle to use as a syringe. I cut a patch of 6 Oz. glass and chopped up a bunch of scraps for fill. Mixed up 6 0z. of System Three with four cc’s of Additive F. Filled the the bottle with some, mixed some with the chopped glass and saved the rest for laminating the patch.
The paint bottle worked great. I squezed the resin into the hole gradually using my hand to work it through the delam. Next, I filled around the insul foam with the chopped glass-resin mix. Finally, I laminated the patch over the filled ding. Put the bag of sand on top of wax paper over the delam bubble and pulled the tape from the patch section at 40 minutes.
Surfed junk on the board this morning. Water tight.
I used the S3 medium hardener, so while it started going off agter 30 minuted, it remained soft for about 3 hours. It would be slow going to use this stuff as laminating resin for a whole board.
Thanks for the help, folks.
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