Hi Old Bird,
My OH kept asking and he had always said chickens after the polytunnel but he was stuff for ideas so I get chickens first and I'll get the tunnel whenever they're having a sale!!
I'll be busy this winter prepping everything.
I'm not too fussed about the colour but I guess probably brown or green to keep it discreet. ;D
I've tried a Ronseal one with wax in it in the past, on a gate but it keeps pealing off.
Thanks for the info, I'll look at the Cuprinol stuff
Cheers
Jo