Your roll bar for your awning should not be bent at all. Consequently, there is not a way to straighten the roll bar, and it will need to be replaced unfortunately.
Since you mentioned you have a 221" roller for your Solera Awning, you can use the:
-Solera Rollbar for 19' 1" - 20' Long Awnings # LC33FR and cut it down to the length you need.
As far as your awning binding, I believe that to be attributed your curved roll bar. Since your roll bar is curved which means it is out of angle,... view full answer...