• The Insurance Institute for Business & Home Safety built side-by-side, strip-mall-type structures at its South Carolina research facility and then tried to blow them apart with gusts up to 136 mph.
• Standard construction was demonstrably weaker, especially after a window was broken in each to simulate a flying tree branch and dynamics changed.
• The difference was wind-resistant construction that cost about 5% more and resulted in significantly less damage, including intact walls and roof.

From the article:

The Insurance Institute for Business & Home Safety conducted the first side-by-side, high-speed-wind performance test of two full-scale, commercial-style buildings on July 17....