I have watched that site. He could sell that as a teaching video/segment. It looked like the plan using McMaster Carr door seals was to trim back the cabin lip just enough around the cabin door opening to accommodate the door and then rebuild the lip as necessary to support a good fit with the McMaster Carr seals as the door closes against them. The plans look like Van's placed a sticky seal onto the door itself and trust it will seal against the cabin lip.
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Dennis
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