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Old 27 December 2012, 13:19   #1
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seam leak

Just before xmas I bought a yam 360 sib, unfortunatley it has a slow puncture in the bow section this is a very small leak on a seam where 3 bits of material meet, a tee shaped seem.
someone in the past has had a go at re-gluing by the looks of things.

so what is the best way forward ?, clean off the old glue and put a patch over the area, or do I need to undo the seam.

I have in stock a polymarine repair kit that uses single part glue and some acetone , but guess I need to order MEK and two part glue ?, I am guessing its a pvc boat .

all wisdom greatfully recieved by this sib virgin. thanks.
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Old 27 December 2012, 18:49   #2
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If air leak is very small, just tiny bubbles, prepare a small amount of pvc glue mixed with hardener, with sib completely deflated and trouble area, well cleaned and dry, with small brush apply 1-2 thin glue coats, let dry for some time between coats, infllate sib.

If leaks continues, deflate sib again, apply a small drop of Cracy Glue or similar product and you will go boating again in less time than it takes a rooster to sing. Openning up seams to patch again is a skilled & time demanding work.

Happy Boating
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Old 27 December 2012, 21:43   #3
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If it is PVC it should be thermo bonded at the seams. There is no removing glue and fixing the seam as you might think. How bad of a leak is it? If you can clean off the old glue with Acetone or MEK, then locate the exact leak you might be able to mix up some good 2 part glue and using a needle inject it into the area, with the boat deflated.
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Old 28 December 2012, 04:37   #4
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It is a small leak, takes about a week for the bow to go fully flat.
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Old 28 December 2012, 15:03   #5
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Quote:
Originally Posted by camelgas View Post
It is a small leak, takes about a week for the bow to go fully flat.
Try any of the suggestions, the fastest : Cracy Glue drop. Had 15 same air leaks 15 CG drops made wonders a year ago, still holding well.

Happy Boating
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Old 28 December 2012, 15:31   #6
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thanks everyone for your help, I shall order some materials and get to it.
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Old 12 January 2013, 15:23   #7
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thanks for all your pointers guys , a good job done and the leaks now mended , boat held air for a weeks test .

next job the trailer.
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