There should be at least two screws holding the fabric in place inside this channel.
Changing fabric on awning.
Replace electric awning fabric.
The fabric is typically attached to an awning spline which is similar to a cord that slides into a groove on the roller tube.
Repeat for the other side of the awning.
At the top of the awning there is a channel the fabric slides into.
Hold the front bar and loosen the left front bar insert with a 5mm allen wrench and pull the insert out of the front bar.
This video will show you how.
Replacing dometic a e weatherpro power rv patio awning fabric is a job than any reasonably competent diy rver can handle.
Remove the front bar from the fabric and place aside for reuse later in reassembly.
Remove the screws so the awning fabric can slide back and forth easily in the channel.
This is a new easier way to replace the rv awning fabric on a dometic a e manual patio awning.
If your retractable awning is fairly large you will likely need another person or two to help you properly slide the spline out to remove the worn fabric and then re insert the replacement material.
Tough top awnings discount code rvgeeks rock 5 off.