We all don't mind customizing some stuff. When it comes to the structure and structural integrity, you paid too mucm
to have to rebuild and if you do screw it up you own it. Your dealer if they are reparable should repair/correct the situation, its no skin off Jayco, they build the TT in a day-in-a-half. My back window leaked, ruined/bubbled the wall - the whole back end was replaced under warranty.