<strong>Yahoo Message Number: 114249</strong>Does anyone know how the roof is constructed on 2008 Affinity or Magna coaches. I am thinking of installing some brackets on the roof and don't want to overload it. I know that it has a layer of fiberglass sheet over what appears to be 3/8 Plywood. What else was used, what did they construct the bows out of that support the roof and how...