jonw wrote:The Minwax Helmsman Spar Urethane has UV inhibitors in it, which is why it is rated for exterior use.
bobsmyuncle wrote:FWIW, the "consumer spar varnish" mentioned in the article, the one that started failing in two weeks, was Helmsman.
Claiming it's for outdoor use and being suitable are two different things. Minwax also claims to have a tung oil finish. Give me $200 and I'll give you $20 for every ounce of real tung oil in a quart.jonw wrote:The Minwax Helmsman Spar Urethane has UV inhibitors in it, which is why it is rated for exterior use.
bobsmyuncle wrote:FWIW, the "consumer spar varnish" mentioned in the article, the one that started failing in two weeks, was Helmsman.
bobsmyuncle wrote:There is an alternative that's as near as your local paint store. Here is an article on it written by a friend of mine:
http://hardwoodlumberandmore.com/Articl ... inish.aspx
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