Ok, it seems that POR-15 has set...

There are some irregularities in how it dried. Maybe I was a bit generous in application, since I was doing it with a brush. First, I thought those were bubbles, but they are too regular, so I attribute it to structure of the channel, i.e., some regularly spaced dips.

On channel floor, it seems my fiber patches held up. My reconstruction of the channel wall is a good starting point. It will not do by itself, but it gives me a solid template, which is what I needed. Tonight, I applied POR-Patch (filler/adhesive) over both sides of my fiber wall. I also applied POR-Patch all over the channel bend by the trunk hinge area, where I had lots of rust holes on channel floor.

POR-Patch is supposed to dry to a rock-hard finish. If all goes well, I may end up with a reconstructed seal channel. It's not going to be perfect, especially since I am completely inexperienced with body work and this is my first (forced) foray into that.

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84 300SD - bought in April '06 with 237,000 mi