We have the Carefree awnings as well. The bedroom slide cover is splitting at the stationary seam. I plan to stick with the acrylic fabric from Carefree. I would have just removed the fabric, had the seam restitched and reinstalled(maybe an option for you), but the PO punched a hole in the cover and tape repaired it.
The only trouble we've had with the main awning was the roller cap wallowed out(only one flat on the shaft hole) so the awning would not retract. Of course, Carefree doesn't sell just the cap so one has to buy the motor as well. They did however, upgrade the assy. with two flats so it will probably last forever. I changed it myself and have had no other problems. Bob