| Summary: | The Facade of the city Swift, Stylish, Smart. "The Facade of the city Swift, Stylish, Smart" is a project within BioInnovation's project "IPOS", funded by Vinnova, Formas, Swedish Energy Agency together with industry partners. The aim of the project was to develop a facade system of pine adapted for buildings up to eight stories in an urban environment, in terms of fire safety, adaptable aesthetic design and maintenance routines. This report is a compilation of results that form the basis for the participating companies continued work with the facade concept. Customer requirements, building regulations and the market for facade systems were initially investigated, analyzed, and compiled. An architectural design was developed with the purpose of making the facade attractive and easy for architects to use. Solutions for design and mounting of the façade formed a technical platform that combined design, materials, maintenance with economy. Wood properties and surface treatments were studied and verified in tests to achieve fire safety and long service life. Heartwood of pine was chosen because of its suitable material properties for facades. The facade system's functions were verified in lab tests and by small scale design prototypes. Full scale tests of the mounting of the facade system were carried out on two buildings in Luleå, whereafter mounting time and functions were evaluated. The pilot test showed that mounting was easy and quick once the builders got acquainted with the system. However, since the elements need to be adjusted to the wall it is important to prepare mounting well in advance. A full-scale fire test of the facade system was carried out with Teknos fire protection paint, which passed the SP Fire 105 test. Overall, the façade system was developed to be market-competitive and contribute to a sustainable bio-based economy. To assure this, durability and circularity have been considered both in the design and the choice of materials. “The Facade of the city Swift, Stylish, Smart" challenges the ...
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