Good idea! If you didn't, when you get a chance put something between the tires and the roof. Plastic, another piece of wood (With a hole for the vent of course!) or something. Tires when left on their sides tend to leave pretty permanent prints.
Now-2014 Sierra 346RETS 5er BUB
Then-2002 Keystone Springdale 286RLDS TT
Nights camped in 2014-28, 2015-127, 2016-10