I want to make a simple rectangular planter (1), and don't want
it finished in any of the available garish preservative colours.

I thought I might use Wikes treated sawn gravel boards, with
fence posts for the corner pillars. I'm happy to go with a rough
sawn appearance.

I see that planters on sale seem to come with a plastic sheet
liner, though some of them are made of surprisingly thin timber.

Should I add a clear preservative, do I need a liner, or is it
probably better (and cheaper) to simply use substantial timber,
and replace when it decays?

(1) 600 mm x 800 mm, to match the concrete surround on a manhole
cover.

Chris
--
Chris J Dixon Nottingham UK


Plant amazing Acers.