Having followed this thread since becoming aware of the issue (after ordering but before delivery), I finally got the opportunity to put our March delivered 04S bellows up in some rain this morning. They were exposed to a few decent downpours over about 5 hours, although winds must have been light as most of the canvas stayed dry. On the exterior there was visible moisture on and below the front mesh, sides remained completely dry, water droplets beading on the rear of the bellows towards the bottom.
Nothing observed on the inside. However, I still don't consider this a conclusive test until it remains dry inside with more visible wetting to the front exterior.
I'm not sure if I'd be happier if they had leaked! At least then the uncertainty would be removed and focus could go towards a temporary solution. I'm tempted just to buy a wrap anyway to remove the anxiety and chance of a ruined holiday (we need the pop top to accommodate a family of 4), but this shouldn't be necessary from both a cost and extra storage perspective. I'd be more than happy with Aquatex if approved, and would prefer to apply whilst the bellows are new and clean so the lack of VW response is frustrating (thanks all who've been pushing this one forward).
I've updated my poll entry, and will update this thread with any changes as they are tested further. For now, I'll keep mulling over what is the most pragmatic way we can enjoy our van whilst reducing the risk of experiencing a leak exactly when it's most inconvenient.
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