Repairing a tired old anti-slip coating

MattA24

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Hello hello,

Around the outer perimeter of the deck of my boat there is a grp moulded ridge that's handy for standing against when on the tilt.

Between this ridge and the actual edge of the deck is a two-to-three inch bit of deck that a previous owner has applied some kind of anti-slip finish to, presumably to hide the odd parking ding.

The anti-slip consists of a sort of white substrate a couple of mil thick with tiny translucent balls suspended in it.

Unfortunately it's in a pretty tatty condition with patches missing, one or two filler spots, and bits lifting up where it was applied over rivets. Thousands of the little balls have gone missing, leaving tiny craters full of dirt and marine life.

I would like to level it and apply a new anti-slip over the top, and I have a few questions I would appreciate your thoughts upon:

1) Cleaning this surface is virtually impossible. As the boat has stood a long while there are lots of little circular brown splodges which are hard enough to remove from smooth gel-coat, let alone this stuff. I can't even sand them out. Can anyone recommend what might shift these life-forms?

2) I'm planning to level out the chips and dings and whatnot with epoxy and filler, then coat the entire surface with epoxy and sand as a new anti-slip, and paint over the top. Does this sound sensible?

3) The PO who applied the anti-slip did so straight over the aluminium deck/hull rivets, and in these places the coating chipped/cracked/popped off. Would you think that epoxy applied here would do the same thing eventually? Should I attempt to mask around the rivets? There's a lot of them!

Many thanks again,
Matt
 
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