In message , Jim K
writes
Jim Walsh Wrote in message:
Hi all.

I get a bit obsessive in trying to make sure that the end results of
my DIY jobs are long-lasting (where appropriate). On the matter of
wooden fence posts, is it likely to increase the life of the below
ground section if I cover that portion of the wood in bitumen? I
imagine that preventing soaking from ground water should do some good.

Thanks.

Jim.


Its the bit where the air & soil/water meet where the rot strikes,
even treated posts succumb.

I estimate where that transition point will be when the posts will
be installed & paint posts with bitumen in a tall 12" /18"
"stripe".

It is possible to purchase fence posts pressure treated with creosote
from specialist suppliers.

The stretch of by-pass fencing through my farmland was completed in 1977
and is still sound (although not actually creosote and is fireproof with
a mothball smell).

Someone was marketing plastic sleeves for protecting the area where soil
bacteria/fungi are active but I've not seen any positive reports.

--
Jim K


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Tim Lamb