I'm getting ready to build some jigs and sleds for my table saw. I have been reviewing forums and videos on various jigs and makers designs. I understand why UHMW and HDE are recommended over wood for runners for jigs. My question is, wouldn't a poly finish and a good application of paste wax prevent wood runners from absorbing moisture and expanding?
I found a stash of what I think is hickory(it's quite dense, hard and straight grained) in the rafters of my garage left by the previous owner, that I am going to try making sled runners from.