I have decided to finally fix up my old 4×4 mailbox post. I lightly pressure washed away the dirt and mildew and then sanded it down, I was able to get it smooth to an extend but it still has lots of low spots. I applied a coat of poly shades espresso stain/polyurethane and it turned out to show less grain than expected. I was thinking maybe I could sand it down just to show a little wood and then apply a thinner coat of polyshades espresso. I am hoping it would keep the low spots nice and dark and make some contrast with the sanded wood. As I have no experience with such a varied surface I’m not sure if it is advised. Thank you
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I think it looks good. Unfortunately, if you carefully read the Polyshades label you will find that it is for interior use only. Once it is exposed to the sun and weather, you will find that it deteriorates rapidly. I would suggest that you strip off what you have done and apply a good exterior stain intended for house siding, decks, etc.
All finishes degrade outdoors. Even the fence/deck finishes will need periodic renewal.
Yeah, this is going in the ground, outdoors, near a road, in all kinds of weather. The very best outdoor finish is going to degrade and need renewing fairly often. It aint furniture.
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