As Charlie and Paul T stated above, this may not be part of the design scheme but building it that way does make it easier for two people to pass one another, makes a good shelf to set things on while entering and exiting the camper and is a great place to sit when lifting the rear of the roof. As for lifting the roof, I sit on the shelf, put the top of my head on the roof lifting board and slide my back up the cabinets. Makes it super easy to get the roof up with almost no strain on your back (your legs do the work). Word of warning: take off your ball cap before doing this maneuver or the button on top of the hat will be driven into your skull
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Exactly the way I lift the top. And I have 25 lbs of solar panels on the roof as well.
