Marc,
Thank you for your kind remarks. My husband and I built the deck ourselves, but we hired someone to do the landscaping and fence.
The Leisure Concepts umbrella worked for exactly one day - then it would not pivot. We had to wait until we drained the tub 4 months later to pull the umbrella out (I actually did that myself) and return it to our spa dealer. Only then did we learn that they were having a problem with those umbrellas.
I'll try to find out the manufacturer of the other umbrella and let you know.
Thanks again,
Susan