Hi from Melbourne (Aussie)

[QueticoBill]

If you can keep seams/joints parallel to the span, it shouldn't make a difference. So on vertical walls, vertical seams; on roof, seams perpendicular to walls. You could even do these "planks" individually, and dutchman the seams, structurally; but you might not like the look depending on finish. Some might batten the seam and that would be fine.

[heliantha]

No PHEV to my regret - I have a 2006 Nissan xtrail now. It is a hand-me-down from family so I have to make do. 2000kg towing limit so uh, plenty of room!

As for foam, I can get 2500x600 for sure. 1200 wide would be better but eh... It will need joins regardless. I plan to make use of my dad's woodworking knowledge on making interlocking joints (has anyone done dovetails in foam??) so I'm going to order a little piece to test how well it works.

I can kick the kids out to sleep in a tent, or even in the back of the car, but I do want enough room we can all squish in in case of bad weather. I mean, we've all squished into a 3 man popup tent last january so yeah, I think it's doable. Going to be very simple inside I think.

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