>>>You can create a container with shape placed at the position of Header. Quite klugy, but should work.
>>
>>Kaka. Thanks, I know you know grids thoroughly.
>
>Kaka??? Now there's no need for profanity Sr. .. just kidding. :)
>
>Setting HeaderHeight=0 works for me, what other settings are there for the grid that could be affecting this?

I thought, it should work, but was lazy to test :)