Comparing Starlink mounting kits can reveal various clamps and brackets designed to keep your antenna steady in different roof types or climates. http://L.Iv.Eli.Ne.S.Swxzu40Hu.Feng.KU.Angn.I.Ub.I...U.K37@Cgi.Members.Interq.Or.jp/ox/shogo/ONEE/g_book/g_book.cgi