I have been using foam insulation stiffened with either wood or PVC to make light roof segments which are hung using the mast as ridgepole. It makes for a light, easily set up assembly and uses many of my favorite materials, foam, cable ties, PVC and duct tape. Ron Lipton On Monday, October 7, 2002, at 09:51 AM, brad haslett wrote: > www.ip-wizard.com/sailhints