On Oct 16, 11:30*pm, DD_BobK wrote:

Yes, creosote is a great wood preservative but...

http://www.epa.gov/pesticides/factsh...osote_main.htm

synopsis:
Creosote is a wood preservative used for commercial purposes only; it
has no registered residential uses.

cheers
Bob

But copper naphanate is still available as a wood treatment & is
available by the gallon at hardware stores. Pour it in a small
diameter bucket and stand the 4x4 in it overnight to allow it to wick
up. It'll turn your redwood green for a few weeks, then the sun will
bleach it back natural.

Red