"pcb" wrote in message
...
Thank you for all the suggestions.

The enclosure that we had built is similar to the one found at this
site
http://www.mainecoonguild.org.uk/Gar...en_safety.html

If my cats can manage to get over it, I will truly be amazed and
that's
considering they roamed wild for the first year of their lives and
climbed everything in sight.
pcb

What a clever solution !
Far superior to all the nasty chicken wire one tends to see :~))
Jenny