That guy built storage into his floor, but I am going to have insulation there. This guy built a teardrop trailer and made a bit of a footwell, but I cannot see it in the other pictures:
This was for a different teardrop trailer:
They used 1x2s and also had in-floor storage. They did not mention the plastic:
Turned-about: 2012
These people built a 7 ft x 13.5 ft hoverboard trailer on a Harbor Freight trailer.
That seems a bit big!
https://lonestarhovercraft.com/rip-t...craft-trailer/
Another teardrop trailer!
They made it out of foam and said it is 10' long, but I do not see how wide it is, five or six feet?
Teardrops n Tiny Travel Trailers • View topic - 10' Standie Foamie ... on hold
Another 5x10 teardrop trailer:
Teardrops n Tiny Travel Trailers • View topic - 5X10 on a 4X8 HF trailer - First build - On the Road!
Food trailer:
https://imgur.com/gallery/uZ4Mo