The quote not withstanding, a cursory glance at the website of the manufacturer of the structure (Sprung[1]) would show that the exterior is not canvas. Further

The quote not withstanding, a cursory glance at the website of the manufacturer of the structure (Sprung[1]) would show that the exterior is not canvas. Further, Sprung even lists manufacturing as an application of their structures. Repeating false statements doesn't make them true. [1] http://www.sprung.com/building-components/performance-architectural-membrane/ http://www.sprung.com/building-components/performance-archit...