2mm Tim? I thought Dave had used 1.2mm, I am loathe to go too heavy a gauge unless I need to. I did also look at honeycomb, but struggled to actually source any, and getting data that made sense to me (as a non engineer) was a nightmare.
But I will continue to ponder and listen to others' words of advice as I don't want my seats pulling out of the floor in an accident. Plating is an option of course, but I am aiming to keep the underside as smooth as possible. But safety is paramount.
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