Once known as Hartley18
Join Date: Aug 2007
Location: Melbourne, Australia
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Re: Remove Varnish from Teak Caulk
In any event, varnish isn't going to seal well to caulking, which means any cracking between the caulk and plank will allow water in and that's the death of varnish. Most things I see varnished, do not have caulk joints. Even without them, varnish is hard enough to maintain.
To be honest, for the application in GMFL's photos, he'd be far better advised to use a soft-setting absorbent Teak Oil of some kind - not a hard varnish - for all the reasons you mention.
If varnished he'd have to do it all over again in a year or two anyways.. and an oil is far easier to maintain if caulking is involved.
A bad day on a boat beats a good day in the office