On Feb 24, 12:20*pm, Andrew wrote:
Galvanised corrugated iron. Traditional and you can paint it (after a
few months) if the shininess offends. What's more in 100 years time it
will have rusted away to nothing whereas the clear plastic or the
Onduline or whatever will be in a landfill or a hedge somewhere.


If you paint it with tar varnish every three years, in a 100 years
time it will still be on top of the shed.