Follow the same procedure as for rips in the fabric body cutting your repair fabric long enough and wide enough to extend beyond the rip.
How to repair awning fabric.
The absolute best option is made by eternabond.
This is how i do it as a single person two or more people would be a different procedure and is the procedure seen in many othe.
Do not lace the awning corner back on until the glue has set up completely.
The longer answer is that you need to get quality repair tape for awnings and apply it properly.
Fabric awning repair can take on many forms from repairing holes and rips to replacing the entire mechanism of the awning.
Unlace the awning far enough that you can lift up the corner.
This is strong enough to patch roofs on rvs or campers and does marvelous on awnings for all fabric types.
Roll the fabric up and reattach the legs before you put the awning back onto the rv.
Do not remove the stitches.
Unroll the spring with a vise grip slide the spring out of the roller tube and roll the old fabric off of it.
Glue it in place from the underside pressing it well.
The seams of a fabric awning are one major weakness that some simple fabric awning repair can cure.
Follow the instructions below to reinforce the stitches on the fabric awning so that it will last a long time.