planning:thermal_protection:external_walls:passive_house_suitable_wall_systems
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planning:thermal_protection:external_walls:passive_house_suitable_wall_systems [2014/04/14 15:58] – twessel | planning:thermal_protection:external_walls:passive_house_suitable_wall_systems [2015/09/13 11:44] – 50 wfeist | ||
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+ | ====== Passive House suitable wall systems ====== | ||
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+ | The Passive House Standard, being a quality standard, dictates no particular methods of construction. Whether solid construction, | ||
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+ | In solid construction non-insulating masonry (for example lime-sandstone) or reinforced concrete with an Exterior Insulation and Finish System (EIFS) can be used. There are lots of materials suitable: e.g. polstyrene (thermal conductivity 0.032 to 0.04 W/(mK)) or mineral wool (thermal conductivity 0.04 W/(mK)), but also resin foam (thermal conductivity as low as 0.021 W/(mK)) or cork. Sometimes the masonry also consists of an insulating stone (e.g. porous concrete). The insulation thickness of the EIFS as a rule is between 150 and 300 mm in a Passive House, but can be bonded as single-layer up to 400 mm. Also monolithic systems of porous concrete or brick are available on the market. At the end, its the U-value, that counts - and it can be achieved in a lot of different ways.\\ | ||
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+ | In timber construction plywood I-beam structures are often used so that the proportion of thermal bridges through wood can be reduced, but solid timber constructions are also used as they can be put into effect by a wider range of craftsmen. Often a cross layer or a combination with EIFS is used to reduce thermal bridges. | ||
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+ | Just as common is the mixed construction with a solid supporting structure (reinforced concrete partitions or reinforced concrete skeleton structure) together with timber panel components for the external walls. Both can also be unitised which allows for shorter construction times.\\ | ||
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+ | Concrete formwork bricks of polystyrene or PS (" | ||
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+ | ==== Overview of Passive House suitable external wall systems ==== | ||
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+ | |** *VIP = Vacuum insulation panel**| | ||
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+ | ===== See also ===== | ||
+ | [[planning: | ||
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+ | ===== Literature ===== | ||
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+ | **W. Feist: Gestaltungsgrundlagen Passivhäuser. Darmstadt 2001; This is on Passive House Design Fundamentals, | ||
+ | **W. Feist: Wohnbauten mit Stahltragwerk als Niedrigenergie- oder Passivhäuser - Anforderungen an die Gebäudehülle, | ||
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