Crossroads Cruiser experiences and Shortbox Ram clearance

While Silverback and Cedar Creek are not what one would say high end they both use hung wall construction.
Per Cedar Creek;
•3M® Silaprene Bonded Sidewalls – Resilient, grows
stronger with age. Also has outstanding resistance to UV,
heat, cold, moisture, oils, gasoline, highway chemicals,
and creates a bond that cannot delaminate with time

Just an example of a non vacuum bonded wall.