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Construction system
ECOCOR Passiv

Component id: 0788cs03
Manufacturer: ECOCOR High Performance Buildings
Category: Construction 
Construction type: Light (Wood) 
Window: The certification were done with tow different win-dows of the company M-Sora: Natura optimo: Uninsulated timber window with 40 mm triple glazing and class phA spacer bar with PU secondary seal. Natura passiv: Insulated timber window with 50 mm triple glazing and class phA spacer bar with PU secondary seal. For this window, the threshold for the terrace door was calculated. Due to an alu-minum element, the threshold do not catch the criteria. Because of the lack of the availability of better alternatives, the certification is awarded anyway as an exception. 
Airtightness: The airtightness layer is the OSB-board outside the loadbearing layer. The OSB-boards are connected via adhesive airtightness tapes. The windows are too connected by adhesive tapes. Care should be taken by choosing the OSB-board, for not every board is airtight enough. 
Illustration: The Passive House Institute has defined international component criteria for seven climate zones based on hygiene-, comfort- and affordability criteria. In principle, components which have been certified for climate zones with higher requirements may also be used in climates with less stringent requirements. This use might make sense in certain circunstances. 
Climate zones:
Remark: The construction system is founded on a concrete floor slab with perimeter insulation. The walls are built as a double shell construction. The inner, load bearing layer is made with 1½” by 3½” timber beams with a spacing of 2’, the space is filled with mineral wool, the wall is on the room-side cladded with gypsum board, outside with OSB-board. In front of this board, the second shell is mounted. The gap between 12” TGI-beams is filled with cellulose and is closed by a membrane on the outside. The roof construction is similar to the wall assem-bly but with a 9¼” internal layer.

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