Outward opening doors? Nah!

[Ollyfp]

...along with a tall threshold.

I'll spec a 30mm aluminium threshold, but given earlier comments, I was thinking that a tall threshold might be better in the event of a volcanic eruption. Keeps the lava out! Haha!

 

[Ollyfp]

Tell that to the numerous people who have died when trying to get out of places such as a night club when a stampede comes up against an inward opening door...

I can't. It's too late.