One need one solution
Wood is biodegradable. Nevertheless everywhere in Italy you can find buildings with wooden structures perfectly efficient for centuries without being treated with preservatives.
Milan, Via Cenni, 9 floors. The result of Italian research and entrepreneurship. The restriction to 4 floors of Presidential Decree 380/01 was eliminated.
It is no longer an academic ideal or an advertising slogan, but the result of the entrepreneurial and managing skills.
Study of Real Estate Scenarios for La Repubblica (2009): in 6 Italian suburbs, the “ecological house” (in wood too) is worth 15% more.
A wooden structural system must offer:
- Total flexibility: specific solutions for each individual project
- Performance to technical specifications consistent with the DPC and the NTC
- Construction details verified and easily achievable on site
- Method of maintenance which facilitates inspection and possible restoration surveillance trailer
In the Eurocodes structural timber is considered more reliable than concrete.