[Shop-talk] fiberglass repair

Matt mbarre at juno.com
Mon Jul 5 17:49:01 MDT 2010


I picked up an older Tigershark PWC project and after a few days of cleaning &
tinkering, took it out this weekend and the kids had a blast with it.  I'll
consider it a successful shakedown, but now I have a punch list to work off.
The only item I don't have a good grasp on is a little hull repair.  It looks
like where the bottom of the left side of the hull forms a chine was run up on
something and took some damage - I believe it is leaking into the engine
compartment (it was dripping from there when I pulled the PWC out of the water
on the trailer but before I pulled the plug...

My fiberglass experience consists of resining in some cloth over a rusty boot
bottom, but this looks a little more involved.  I understand the need to grind
down to sound material, but how should I replicate the chine edge.  While I
was shopping for a can of resin and some cloth I spied a 3m product next to
the bondo called "fiberglass jelly".  It looked like it is a fiberglass based
form of bondo.  I believe I could easily replicate the hull shape with that
but am not sure of how strong it would be.

Any suggestions?

TIA!
Matt in Columbus GA

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