I added E-Track to the wall. I put a piece of 1x6 pine board and added the E-Track to that. When I put this on the wall, I used aluminum "L" channel. I extended this about 3-4" beyond the board and this allowed me to secure it to the wall. I placed one set between the bed rails, one set on the left wall and one set on the right wall. Then installed 2 pieces of E-track in the forward storage compartment.
Here is one example of how another member did their unit:
Greetings and Happy Monday! I have a 2018 4270 and I would like to mount some E-Track to the walls so I can store things against the wall and strap them to the wall using the E-Track so the don't fall over or bounce around. A good example is the stairs for the side deck and rear deck. With a...
heartlandowners.org
Go to the search button in the upper right corner, type in e-track in garage several different leads open up.