Former Iggy Winner. I used to be somebody special
- Aug 15, 2011
njcuse, feel free to weigh in here.i wondered the same thing. It makes sense if the initial plan of a see through section had gone through. But since it will essentially not be see through, why not just do the same material over the whole structure?
As a non pro, my thoughts are that the PTFE section is considerably cheaper to do and considerably lighter than the hard shell section.
The old roof had a center portion that was only one layer and was a lot more transluent than the part with the inner liner. That gave the building an airier, more open feel. I think the PTFE roof, with the rafters and openness, and slightly more translucence, is going to give a similar feel. Maybe even more so.
But I think given the walls of the building, that were not engineered to support a heavy roof, and the budget constraints, having a PTFE section helped address both limitations.
Edited to add NJCuse97
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