On 6/11/2012 11:32 AM, sal wrote:
I want to make some outdoor benches what would be the best wood and
preservative to use . We get a lot of rain , long cold winters.

Sal



Ipe is a hard wood, an iron wood actually. Commonly use for decking.
No need to ever treat or use a preservative at all as it has a 50 year
life expectancy as is.

http://www.woodsthebest.com/ipe_decking/ipe-wood.htm