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The excellent strength-to- weight ratio of Laminated Veneer Lumber enables long spans of up to 25 m to be achieved
provides significant support for reaching the town’s ambitious low carbon energy goals. Lohja is part of Finland’s national scheme to reduce greenhouse gas emissions by 80 per cent by 2030. And thanks to the bio heating plant, it has already accomplished its first milestone in achieving a 15 per cent reduction of greenhouse gas emissions by 2016. In addition, as the side streams of the LVL production, (bark and woodchips), are utilised at the same plant, traffic emissions are reduced as well.
A greener future in construction
The focus of improving efficiency has to shift from the energy used to operate a house to the production of the construction materials – which is the most energy intensive phase in a building’s life cycle.
The energy required to produce the materials of a building is 50 times more than the energy used to operate it for a year. Since the production of wooden materials results in an energy surplus, the implications are clear: wood should be used whenever possible.
Designing in wood
The use of timber in modern architecture is something that is becoming more widespread, with students now being educated in these new sustainable materials. Metsä Wood is at the forefront of supporting this educational process, and through its Plan B programme the company is working with architectural students and industry to explore the possibilities of using wood in urban construction.
One recent example of this is Metsä’s
City Above the City design competition, which is looking for bold and ambitious plans that connect wood construction processes to an existing urban context – in a way that is friendly to both people and nature. Entrants have been challenged to select a centrally-located building in one of the world’s most populated cities and develop an innovative wood design solution that adds density through additional floors. Building additional floors with Kerto LVL as the primary material is a central requirement for the design work.
Frank Werling is head of technical, engineering and design at Metsä Wood
ADF OCTOBER 2016
WWW.ARCHITECTSDATAFILE.CO.UK
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