Note: This item should only be installed by skilled installers, no mounting instructions are included.
It’s your van and you need to research and engineer your installation solution. Below is just our installation that worked for our application and fabrication preferences. We know there are many other very good methods to attach all the items, we've seen dozens if not hundreds on Sprinter-Source, Expedition Portal, AdvRider, etc.
To attach the steel rails to our van walls we chose to use threaded studs welded to a plate that was then welded to the van body. Other methods we considered were riv-nuts, high performance polyurethane based adhesives (such as some Sika formulations) and 3M VHB tape. (Some of the VHB tapes out there have 10,000-minute static shear strengths of several hundred pounds per square inch!!). In the back of the van we cut out the rails so we could easily install the the factory D-pillar plastic covers as seen on the right image.
We used the same faster system to attach the platforms to the rails via M8 tee nuts and drilling through the aluminum frame. The image on the left shows the panel with the wood removed to show the bolt coming up through the rail, then the panel. The image on the right shows the tee nut this bolt would thread into. We used two attachments per panel per side. We have little if any rattles.
We considered using a more 'quick release' fastener system but the cost and complexity just didn't seem to add up for our application. We can still install or take out all three panels in 5 minutes or so - and that's fast enough for us.
We used 1/2" baltic birch plywood for the platform and attached it to the aluminum frame by counter sinking M6 tee nuts and attaching to those from below. The pics shows the tee nut and M6 hardware opposite the tee nut. We used about 6 attachments per panel.
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