How to measure for a replacement patio awning fabric for your trailer or motorhome. this is the easiest way. You can also measure the fabric itself. but this will get you what you need and safer than trying to measure the fabric because they do shrink over time. Measure center of arm hardware to center of arm hardware. most awnings will be 14ft, 15ft, 16ft. in some rare cases, it will be 14.5ft, 15.5ft. you can order

Common RV Awning Issues

RV Awning Repair