logo An airtight production facility with energy panels Okmetic Oyj's production facility in Vantaa was finalised in April 2013. It is a great example of Ruukki's energy-efficient solutions. The aims of the developer were energy-efficiency and airtightness in particular. ? The production process taking place in the facility requires an airtight environment. The airpressure in the building is positive which helps keep out external particles (e.g.

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