Wendy, if he won't listen to you he likely will not believe us either, I agree with you. If the trailer was level it would probably be OK. RV dealers leave slides open all the time, but the RV is level to prevent water from draining inside.
2000 Winnebago Ultimate Freedom USQ40JD
, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert theConstitution. "Abraham Lincoln"