IPHA Componenten Newsletter 10/2017
PHI confers first time certificate for wall- and building system in cold climate.
The construction system is built on a concrete floorslab insulated by XPS. The walls are constructed by cross laminated timber with additional insulation layer by simplyfied timber Ibeams and mineral-fibre insulation. The exterior shell is a plaster on wood fibre board. The ceilings are build by cross laminated timber too. The roof construction is formed like the walls.
The certification was done with the window smartwin solar, which is a very slimple phA-class window with triple 18 mm argon glazing, Swisspacer Ultimate spacer bar with PU secondary seal. A special feature of smatwin solar is, that the reveal becomes part of the windows frame.
Dr. Ing. Benjamin Krick reports about smartshell solid timber like this (paraphrase of German content below):
"Based on a space creating and load bearing material for wall, roof and ceiling, that is even airtight, the construction gets very simple and less error-prone. The simple connection of the exterior layer in different thicknesses of insulation opens the way to this thermal bridge free construction. Having very similar details in wall and roof the new system follows an intuitive clear principle. The window frame is at the same time part of the wall, this opens further potential for savings of costs and energy."
"Weil durchgängig bei Wand, Dach und Decken auf ein statisch tragendes und raumbildendes Material gesetzt wird, dass auch noch die Luftdichtheit mit liefert, wird die Konstruktion sehr einfach und ist wenig fehleranfällig. Die Idee der simplen Verbindung zur Außenschale und die variable Dämmstärke ermöglicht die Herstellung einer wärmebrückenfreien Konstruktion. Auch hier sind die Details von Wand- und Dach sehr ähnlich und folgen dem gleichen einfachen und intuitiv verstehbarem Prinzip. Der Anschluss der Fenster, deren Rahmen gleichzeitig Teil der Wandkonstruktion ist, ermöglicht weitere Einsparungen sowohl bei den Kosten, als auch beim Energiebedarf."
Darmstadt, 24th April 2017
News
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