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• Use of timber is growing, in manycountries 15..20%

• Prefabrication is becoming more popular• Every country has its own ”wooden monuments”

• How to make reasonable houses for masses?

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• Timber is on the edge of breakthru• We have our own monuments, but still ”reasonable for masses” is almost unsolved

• In Finland, the government has launched a program for use of timber

• Wood is the material that we do not need to dig! We have plenty of it.

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�Plus-energy houses�Timber is in a key-role to cost-effective building

�Clever use of different materials�Timber is also needed to create cost-effective renewable bioenergy

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o Increasing percentage of prefabrication• Moving work from site to manufacturing

plant• Decreases time on-site• Decreases quality problems and complains

o Rethinking material usage• Right material in right place• Material development

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o New regulations for CO²-calculationo Increasing energy-costs

• Makes energy-intensive materials more expensive

• Zero-energy- and plus-energy-systems require new kind of thinking, that should de free from conventional manners and systems

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�8-storey multistorey, multiuse building�Good exampe of reasonable building system and new thinking

�No timber because of timber, but because of reasonalibity

� ”..timber beams and columns are good for fire safety” (local fire inspector)

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� Building from timber is good for environment, but it has to be cost-effective to gain its marketshare

� The development is based on efficiency, not just timber itself

� In Finland, we have lots of raw material and knowledge.

� Still we have a lot to do!

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