I get on mine and sweep it off every time. I weigh 220 and have never had a problem. I always get a roof ladder when I buy so I can do this. I figure it's better than having debris mess up the seals and then have to replace them or even worse, let water get in and do it's damage.
Jack and Delores, Weatherford, Texas
2016 White Hawk 28DSBH TT, 2014 Ram 4X4 2500 CTD