There are a ton of products that will work fabulous on that. Treat it just like you would a piece of OUTDOOR wooden furniture or deck. Make sure its as dry and clean as possible and apply liberally. Olympic, Behr, Valspar, Sikkens. But linseed oil is super easy, only a rag and rubber gloves required, will last for a couple 3 years but have to be repeated, but super easy..............
