OK .. an odd one ... Built myself an outbuilding in Oak Barnstyle ... with 6x6 posts, gallows brackets etc. Only using treated softwood not Oak.
The centre post is now being shredded by a cat ... presumably sharpening it's claws, the front looks like it's been attacked with a saw, and it's shredding off the corners. Not a particularly good pic ... just took it in dark .. but you can see the damage.
I bought some anti-scent marking spray - but that is having no effect.
I did wrap it in plastic DPC for a couple of months ... didn't touch the plastic ..(or any of the other posts) But black dpc looks bad.
Suggestions ? .. only thought so far is to clad in chicken wire ... but abstract minds of d-i-y bound to have a better idea.