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Construction system
Renolution - Refurbished city homes

Component id: 1192es03
Manufacturer: Renolution BV
Category: Construction 
Construction type: EnerPHit Insulation 
Window: The PHI example window spruce/fir-integral frame (0.11 W/(mK)) with 48 mm glazing and phA-class spacer was taken into account. The threshold is from fibre glass and timber, no aluminum is used. The window represents a very good standard and leads to low thermal bridges and high inner surface temperatures. 
Airtightness: The airtight layer is realized by the OSB. The seams of the OSB boards are taped with "Silisto" tape on the inside of the wall and roof elements. From the edge of the element, a "morgo profol PE" foil is attached and taped with "Silisto" tape to the existing structure. At the bottom of the wall elements an EPDM foil is taped with "Silisto" tape to the existing structure. The adhesive foam provides an airtight connection between wall or roof elements. A "morgo profol PE" film that is connected to the roof elements provides an airtight connection between wall and roof elements. 
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: Cool, temperate
Remark: The system is intended as an extra external insulation layer for existing buildings. The thermal quality of the existing walls is improved by blown insulation in the existing cavity. Prefabricated steel frame elements are placed against the existing outside walls. The prefabricated walls consist of a steel frame covered with EPS insulation. The finish is made on the EPS insulation. This differs from stucco to brick slips. The roof elements consist of a steel frame covered with Resol insulation. Due to the higher insulation value, the thickness can be limited. Battens, fastened by stainless steel screws through the Resol-layer, are used to attach the solar panels to this insulation.

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