Newbie - what is annual maintenance for a TT ???

garyemunson wrote:
A quick fix is applying a bead of silicone after a thorough cleaning ...

Sorry, disagree completely as would many others ... never use silicone anywhere on the exterior of the trailer. Not only is it next to impossible to get completely off later you'll never get anything to stick to it later, including more silicone. Rather, on the roof use a caulking such as Dicor self leveling lap sealant and on any vertical surfaces a non-sag lap sealant such as Geocel Proflex.