His research demonstrated that sealants such as acrylic, polyurethane, and spar varnish
can reduce the amount of arsenic that leaches by as much as 95%.
Two coats of marine spar varnish
were applied to seal the painted surface of the totem pole.
Kilimanjaro uses modern spar varnish
as a finish (as do a number of custom stockmakers), a combination of natural oil and urethane.
Before hunting in wet weather, it pays to paint the inletting with at last a couple of coats of urethane or modern spar varnish
, a combination of urethane and traditional oil, usually Tung.
Tony's method is to strip off the old finish, sand the raw wood smooth, stain the wood to overcome sun bleaching, and then apply multiple coats of spar varnish, his preferred finish because of its durability and appearance.
This is not to say the new stripping compounds don't work well on some finishes; the existing spar varnish was simply too tenacious for them.