I just installed an 12ft. Carefree Rollout Awning on the slide out of my 321RLTS Jayco Eagle. With the factory one and this new one I got the whole left side with shade. I'll send an picture with both rollout awning extended later.
2011 Jayco Eagle 321RLTS FW
2012 Dodge 3500
US Govt survey shows three out of four people make up 75% of the total population