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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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