Opaque building envelop
The construction system is built on a concrete floor slab supported completely with XPS insulation.
The walls are constructed with insulation bricks an additional exterior insulation from wood fiber board. The roof construction is formed with rafters at 70cm spacing withcellulose insulation between. A gypsum board is fitted below cross battens with insulation in between.
Windows
The certification was done with the window smartwin solar, which is a very slim phA-class window with triple 18 mm argon glazing, Swisspacer Ultimate spacer bar with PU secondary seal.
A special feature of smatwin solar installed in smartshell solid S is, that a simple blindframe is fitted by the constructor company. The windows gets fitted just in front of moving in period. No masking of the windows and no damages or moisture damage can appear.
Airtightness concept
The airtightness layer in the walls is the interior plaster. It is sealed together and to the windows with an air-tightness tape. A membrane between the rafters and the wood fiber board serves as airtightness layer in the roof.
28th International Passive House Conference 2026 on April 24–25 in Essen – “Transforming with Energy Efficiency!”
Two certificates were presented by Wolfgang Feist: the EnerPHit Premium certificate for the “Steiner Rindberg” project, as well as the world’s first…
Twelfth smartwin and smartshell Partner Meeting at Lorber Fenster, Austria, April 20–22, 2026, hosted by Maria, Michi and Sepp Lorber.
“Two years after the partner meeting in Nuremberg, we were able to refill our motivation tanks. Even though not all partners were able to attend, our…
28th International Passive House Conference 2026 on April 24–25 in Essen – “Transforming with Energy Efficiency!"
We are participating for the 25th time. Visit us at Booth No. 20 and discover the latest advancements of our certified EnerPHit system, smartshell…
![[Translate to Englisch:] Montage des Fenster im Blindstock der Baufirma](/fileadmin/smartshell/produkte/smartshell_solid_s_window_junction.jpg)

