Both the rubrail from Taco and West Marine come in hollow back and
"flatback" as you call it.

"JK" wrote in message
...
Thanks for all the info--basskisser,Mark, Gary,Wayne B, Rod ;-)
We were hunting for the Flatback if possible but Mark may have come up
with a good idea ! We'll check that out & thanks for all the idea's
guys !

Joe in SW FL.