Best treatment for door threshold
I have door thresholds made of black locust. What is the best surface protection for them? I made the mistake of using Helmsman outdoor urethane, and it didn’t last a year. It’s claimed to be great against sunlight, rain and movement from temperature, but what it clearly wasn’t up for was foot traffic. Ideally I’d like something that lasts a long time, or failing that, something that doesn’t look awful while it’s wearing out, and/or can be touched up without having to prep the whole surface every time. Is plain old deck stain the way to go? Olympic Maximum claims to be good for 4 years on decks. I feel like decks probably see less traffic, especially in the winter, so maybe that 4 years would still end up being 1 year.
How crazy would it be to put a sacrificial wood layer over top, like 1/8″ or something? I could either replace it annually, or at least remove it to refinish in the comfort of a workshop.
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