> I'm replacing a couple of window sills with red oak. Using Watco
> (natural) and was thinking about using poly over it. Then I remember
> even outdoor poly can peel and turn yellow in sunlight and moisture.
> I think just the oil will be fine, just re-apply every now and then when
> Think this will be o.k.?
You need a poly with UV inhibitors for outdoor applications such as is
available from marine chandlers.
Check out Jamestown Distributors.