This was because of a perceived structural instability due to weathering over time.

The rubber's desire to return to its original form creates a high surface tension and structural instability.

Due to its age and growing structural instability, and against much popular protest, the station was finally demolished in the early 1980s rather than restored.

The upper floors were closed off due to concerns of structural instability.

In 1997, the Old Chapel, the home of the band for many years was closed due to structural instabilities.

In 1889 the complex was closed due to structural instability.

Visitors are unable to go upstairs to the first floor, due to structural instability, but can view it from the step ladder.

"We see no outward signs of structural instability or settlement cracks," he said.

Even before its completion the Ennis House was marked by structural instability.

Initial studies had revealed structural instability in the foundation.