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[–]thefadd 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (4 children)

Typically, in construction, one would wrap steel in concrete. But the concrete isn’t for vertical structural integrity. Just because concrete is used in construction doesn’t mean the buildings weren’t nearly identical to every other steel building ever constructed that never collapsed. It’s in the reports.

This is very basic level logic and honestly a bizarre question.

[–][deleted] 1 insightful - 2 fun1 insightful - 1 fun2 insightful - 2 fun -  (3 children)

The towers were not built following the original designs. A spray on foam was used instead of concrete over the beams. Chesp redesign right from the start. Built to fail.

[–]Tom_Bombadil 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (2 children)

Insulating spray foam protects steel during fires.

Kevin Ryan confirmed this at UL, which contradicted/debunked the first official story.

[–][deleted] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (1 child)

The original design called for concrete, not spray foam which can flake off.

[–]Tom_Bombadil 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Source?

Edit: FYI - This spray foam can resist shotgun blasts. It is quite resilient.