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Old 12-14-2013
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Re: Fairing Compounds, what do "you" use?

On the advice of an old boatyard owner, I use talc as a thickener for epoxy to make fairing goop. Balloons makes nice sanding but it stays so runny that it's hard to work overhead or vertically.

Talc/epoxy can be thickened as stiff as you need and it sands better than anything I've ever used. I find there's no need to worry about the talc being hygroscopic as there is so much resin in the mix plus the top coats that any theoretical absorbency isn't a factor.

It's dirt cheap too if you get it from an industrial supplier. I paid $20 for a cement bag of the stuff 10 years ago - I still have lots.
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