Polyurea solution potential for falling debris in unsafe buildings

Jane Denny
URETHANES TECHNOLOGY INTERNATIONAL

Published: December 26, 2013 7:45 am ET
Updated: December 26, 2013 7:46 am ET

Related to this story

Topics Construction, Materials, Materials Suppliers

The threat of injury posed from falling debris when buildings collapse – such as occurred at the Apollo Theatre in London – has already been the focus of polyurea practitioners and the material could provide a solution.

Polyurea coatings are already being used to strengthen structures in war and earthquake zones – the British Army use the application in Iraq – is a subject that could gain some attention as accident investigators pick through the debris and evidence at the theater.

Part of a decorative plaster ceiling crumbled and fell onto audience members following a mild storm in the city on Dec. 19.

Tod Rittenhouse, managing director at U.S.-based structural engineering consultancy Weidlinger Associates said polyurea – due to its high elasticity and a resistance to mechanical strain – is "very helpful at keeping bricks or pieces of concrete intact."

He said: "When you have disaster, an earthquake or terrorist attack, polyurea properly applied to a wall will keep debris confined and stop it flying around in space."

Rittenhouse said there may be some application for ceilings and roof structures.


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Polyurea solution potential for falling debris in unsafe buildings

Jane Denny
URETHANES TECHNOLOGY INTERNATIONAL

Published: December 26, 2013 7:45 am ET
Updated: December 26, 2013 7:46 am ET

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