Fence Post Water Proofing Membranes-Sleeves?

My neighbor has a bug up and wants to replace a shared fence ASAP.
The current fence is a ridiculous mismash of T-111 siding that is leaning badly and looking horrible.
I remember reading about a prduct that is like window flashing but its a sleeve that a 4by4 fence post can be
inserted into and then it seals the bottom of the post to prevent rot.
I can’t for the life of me remember what its called and my google searches are going no where.
Has anybody used this product and can someone tell me what the heck its called and who makes it
so I can figure out if its worthwhile to try?
Its only a short 33.5′ section of fence so I’m only going to use 4 posts.
thanks,
Replies
Sounds like you want a fence post condom: http://www.articlespro.net/post/foundations_barriers_garden
(Sorry, couldn't resist.)
very funny
What the carp was that you sent me too? Reads a bit like Chinglish or something?
You have any actual idea what the heck the product is really called and who makes it?
I have it on my place. They work just fine for me.
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Ummm... What?
Are you a bot?
I just wrapped my fence posts with Grace 9" peel and stick flashing membrane.