No ,it's the windshield cover . A skirt on the coach bottom ,I have not seen. I have sealed ,not resealed, various places around our SS. The coach door latch was a huge source of air infiltration that I sealed. Holding tank heat pads is a must. Good luck !
2016 sunseeker 2250slec
1988 Jayco p.u.,Coleman Plantation p.u.,1989 Jayco class c, Coachman TT,1995 Little Eddie fthwheel,2007 Heartland Sundance 2500 lS fthwheel