Grand Auto Supply stocks something like that

: Without trying to endorse a product, I have used stuff called 'SOLAREZ' that
: is epoxy in a tube with chopped fibreglass strands - for many a quick fix.
: The catalyst is UV light. So for fixing up dings in my surfboard and
: kayaks it is just a matter of putting the kayak/surfboard in the shade;
: blobbing 'Solarez' into the dings (little scratches, pits, tears). Then I
: cart the beast into the sun and 5 minutes later the resin is hard and
: ready for action.

: I think 'Solarez' is made in California (I buy it from a surf shop in New
: Zealand), but I have no idea where you might be able to get some of this
: handy stuff.

: Good luck Pete