"Vir Campestris" wrote in message
...
On 23/12/2014 19:17, harryagain wrote:
Don't use either. Use the metal "hammer in" spikes, your posts will last
much longer.
Quicker too.

The posts will be fine, but the metal will rust off.

I can show you if you want...

The right method is concrete posts. Spurs if you want - no timber or
exposed steel below ground.

Andy

They are also IME ****.
There is never enough concrete to give adequate covering to the reinforcing.
Consequently it soon spalls.