IIHS Details Roof Strength Tests in Latest Video

IIHS Details Roof Strength Tests in Latest Video

The third video from the “Inside IIHS” series has been released, with the Insurance Institute for Highway Safety giving us a look at how it determines the roof strength of vehicles.

In the latest video, IIHS details the crush machine used to determine a vehicle’s roof strength while reviewing the importance of strong roofs in rollover crashes.

SEE ALSO: IIHS Details Front Crash Tests in New Video

To measure the roof strength of a vehicle, IIHS has a metal plate pushed against one corner of a vehicle’s roof at a constant speed. The maximum force sustained by the roof before five inches of crush is compared to the vehicle’s weight. From there, IIHS calculates a strength-to-weight ratio.

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