Floating Pumice Road. Slab Size

So based on the question can pumice stone be use as castle material on water? I wanted to take pumice and use it to construct a floating road, so my Lava People can safely travel from one volcanic island to the next.

To make the road, I plan on taking slabs of pumice and joining them together using a sharp needle and the fibers from a heat proof tree (its a bit magical, but I want to string all the pumice together into a long floating bridge).

What sort of dimensions would the pumice slab need to be so that a 100KG person walking across it won't sink into the water or tip over the slab (it is joined to other pumice slabs)?

posted almost 5 years ago

Shadowzee‭

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