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Click-lock house building system.
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Previously:
Architecture of American houses - photo
Assembling modular pre-molded houses - GIF
Building concrete slab houses - GIF
I'm going to guess that these were developed in an area not prone to high winds or floods.
Neil
Don't forget about the insects...
Actually, it is called the "Click-Click" building system made by -
System 3E
https://system3e.com.au/
Their tag line is
"The only sustainable, self-insulating, jointless construction system made from perlite in the world"
Here is a detailed page on the stuff:
https://ovacen.com/en/construction-w...ks-technology/
In reading the system3e site, in the FAQs I found this:
"With a freeze-thaw resistance of 20 cycles, SYSTEM 3E walls offer long-lasting durability, ensuring they remain strong and stable even in regions with harsh weather conditions. The performance of SYSTEM 3E technology in this area places it on par with or above similar materials, making it a reliable choice for durable and resilient construction."
So - dry warm climate
And also this:
"What Stops Wind from Coming Through?
SYSTEM 3E walls are designed to be airtight and resistant to wind infiltration. When the elements are stacked, they form a monolithic structure. The gaps between the elements naturally close under the pressure of the stacked layers, creating a tight seal. Additionally, the unique labyrinthine connection of the elements further prevents air from passing through.
For added protection, a layer of plaster with mesh is applied on both sides of the wall as a finishing touch. This not only strengthens the surface but also contributes to the wall’s overall resistance to wind and air penetration, ensuring excellent thermal and acoustic performance."
It looks like an interesting product. I think I've seen a material that was similar years ago. It was an ultra light aerated concrete. It was something like 1/5 to 1/3 as light as normal concrete. Picking up the blocks was really weird. It felt closer to styrofoam than concrete, and it floated in water. It made a very similar sound when the blocks rubbed up against each other, and apparently it had an excellent r-value.
My issue with this system is that it looks like the foundation would have to be basically atomically flat for this system to fit up. I'm sure you could do it, but it's probably a LOT more work than they're letting on in the video. Mortar isn't just for joining two pieces together, it's a gap filler that makes up for misalignment.