I have a 20 foot patio awning with cover and it's developed a tear along the seam near the entrance door. It's about 4" long. I'm not where I can do much about it for now...anyone h...
I used Gorilla tape on mine it held for 2 years until this summer when a 40 mph cross wind tore the awning. I had an awning lock aft that locked but the front came undone allowing the awning to tear diagonally. I would clean both sides with acetone and apply 2 strips overlapped by 1/2 in top and bottom.