Post Protector

[texasgun]

Ran across these when doing some truss research and thought it might be of intrest to some of you using posts in the ground.         http://www.michianabuildingsupplies.com/post_protector/

[n74tg]

I would be worried rain could get in at the top and with no way to escape rot the post out.  I looked at the website and didn't see anything mentioned about how they addressed this.