# graphite/epoxy over varnish

**URL:** <https://forum.clcboats.com/t/graphite-epoxy-over-varnish/36691>\
**Category:** Builder's Forum\
**Created:** [April 10, 2010, 10:10pm UTC](https://forum.clcboats.com/t/graphite-epoxy-over-varnish/36691 "2010-04-10T22:10:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Gerard\_Milne](https://avatars.discourse-cdn.com/v4/letter/g/d6d6ee/32.png) [@Gerard\_Milne](https://forum.clcboats.com/u/Gerard_Milne)\
**Post date:** [April 10, 2010, 10:10pm UTC](https://forum.clcboats.com/t/graphite-epoxy-over-varnish/36691/1 "2010-04-10T22:10:19Z")

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I built a wood duck 10 with a varnished hull. After reading Laszlo’s blog about using a graphite/epoxy mix for the hull. I would like to apply that over the varnish.&nbsp; Can I do that? Do I need to sand off all the varnish, then apply the graphite/epoxy mix?

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**Author:** ![Laszlo\_Morocz](https://avatars.discourse-cdn.com/v4/letter/l/c68b51/32.png) [@Laszlo\_Morocz](https://forum.clcboats.com/u/Laszlo_Morocz)\
**Post date:** [April 11, 2010, 8:52am UTC](https://forum.clcboats.com/t/graphite-epoxy-over-varnish/36691/2 "2010-04-11T08:52:55Z")

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Gerard,

You need to sand off the varnish from anywhere that you want to apply epoxy, graphite or not.

Laszlo

&nbsp;