JB,
Below is the diagram and key to how the Tour Master construction is done, including the roof. I believe that your Crescendo is very similar. For strength, you need to attach through the fiberglass and sheathing to the structural aluminum tube framing (item #6...).
Chuck
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2007 Tour Master T40C
Acura MDX toad
"It takes a great deal of time to recover from any improvement..."
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