Where the method came from
It started with a balloon.
Zenith Home Systems did not arrive at a monolithic sprayed shell by looking for a marketing position. It arrived there by spending forty years in an industry that built houses that way on purpose — the Dome Home years that became the Composite Blocking System.
The figures Zenith publishes for the system are the company's own claims, presented as such. They are not independently verified third-party certifications.