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Packaging foam to soundproof metro

Packaging foam is to be used to help build an underground rail project in Finland.

Sealed Air’s Ethafoam product will be used under tracks on the Länsimetro scheme, which will connect Helsinki with Espoo.

Usually used to protect goods in transit, the foam will instead have the job of reducing noise and vibration from trains using the metro.

The manufacturer says it has been chosen ahead of standard ballast mats, because of its performance and ease of delivery.

Sealed Air will supply 57 trucks of Ethafoam under a £1.8M deal. It will be used on 24km of track.

“We are pleased to be associated with this major project in Helsinki’s and Espoo’s history,” said Sealed Air Europe European business development director Claes Hermansson.

“The new metro system will provide life-changing benefits to everybody who lives in or visits the two cities.

“Länsimetro has been clear in its requirement to keep noise and vibration harm at a minimum and we are ideally placed to help it reach this goal.”

The company will manufacture the product at its plant in Poland.

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