We have full awnings over our slides. If we wish, we can partially roll up the awning so that it's just a topper. We have found that it is very noisy if we only use the topper portion. If we fully extend the awning, there are straps from the roller that fasten on the side of the motorhome on metal hooks. If you pull the awning down all the way and twist the strap and tie it down to the hook it is much quieter. If you do not pull it down there is still a little play and it's very noisy. Twisting the strap keeps it from "singing" or "whistling" in the wind. We would put awnings in with slides still open so they are just a topper if wind speed was going to be over 30mph
You can buy the hooks and straps and add them yourself if your unit did not come with them. Your roller would need the appropriate tract for the strap to slide into.
