Messergebnisse und bauphysikalische Lösungsansätze zur Problematik der Holzbalkenköpfe in Außenwänden mit Innendämmung

Stopp, Horst; Strangfeld, Peter; Toepel, Torsten; Anlauft, Eva

doi:10.1002/bapi.201010008

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…Wind-driven rain has often shown to have an important influence on the hygrothermal behaviour of internally insulated walls, and consequently, the moisture content of beam ends [2,[16][17][18]. Case studies and field tests with a low wind-driven rain load often lead to low moisture levels of the beam ends [9,[11][12]14], high rain loads without sufficient protection can lead to unacceptable conditions [2,17,26].…”

Section: Water Repellentmentioning

confidence: 99%

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Evaluation of the risk of decay of wooden beams embedded in internally insulated walls by long-term measurements

Mets

Tilmans

2020

E3S Web Conf.

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Internal insulation of existing walls is crucial to increase the energy efficiency of the building stock. However, this technique influences the drying potential of the wall and could consequently increase the decay risk of wooden beams embedded in the existing wall. We performed a long-term field study on different test walls with wooden beams. This paper discusses 2.5 years of measurements by analysing the moisture contents at the beam ends for the different test walls. The use of vapour open insulation materials has only a slightly favourable impact. On the other hand, measures to lower the moisture content of the wall have a significant effect, either by locally interrupting the insulation at the beam junction or by applying a water repellent treatment. Controlling the rain load on the wall seems to be a key point towards a moisture-safe application of internal insulation with embedded wooden beams.

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Section: Water Repellentmentioning

confidence: 99%

“…The impact of internal insulation on wooden beams have been studied several times. A first group of publications report case studies, investigating the moisture conditions of the beam for the examined building [11][12][13][14][15][16]. However, it is often difficult to extrapolate the conclusions of these measurements to other buildings.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the risk of decay of wooden beams embedded in internally insulated walls by long-term measurements

Mets

Tilmans

2020

E3S Web Conf.

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“…The last of them is polyurethane based board which contains grid of drilled holes filled with capillary active material (IT)(IQtherm®) [8]. These elements are sensitive to higher humidity because of decay [9,10]. In case of additional insulation there is one more point situated on the surface of original wall but now is cover with new layers.…”

Section: Introductionmentioning

confidence: 99%

Case Study of Application of Capillary Active Thermal Insulation Systems Used as an Interior Insulation for Historical Buildings

Vacek¹,

Kostelník²

2020

Proceedings of the enviBUILD 2019

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The trend of reducing energy consumption and the impact of human activities on nature, has increased significantly in recent years. This trend is also noticeable in civil engineering industry. It has an impact not only on new, but also on restored or adapted buildings. Buildings such as monuments or historical buildings are also included in this category. It's necessary to realize that in case of these types of buildings, there are other values which are more important than technical parameters which should be considered. Mainly it is the social, artistic and craftsmanship value of these buildings. In connection with these types of buildings, the application of interior thermal insulation is usually suggested method to improve thermal parameters of walls and reduce energy consumption. Application of these systems appears to be the most appropriate way to preserve values mentioned above. Modern material research also takes place in this area and brings new developed materials such as capillary active isolation systems. Capillary active insulations solve some of the problems connected with the addition of a thermal insulation on the inner side mentioned in [14]. This paper brings hygro-thermal analysis of four types of mentioned systems applied on massive one-layer masonry made of fireclay bricks, what is most common wall type of historical buildings in Slovakia. These types are thermal insulation plaster, multi-layer system predominantly made of wood-fiber and active layer, calcium silicate system and system made of polyurethane boards with grid of holes filled with capillary active material.

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Innendämmung bei Holzbalkendecken – Regeln für eine schadenfreie Sanierung

Arnold¹,

Ruisinger

2015

Denkmal Und Energie 2016

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Messergebnisse und bauphysikalische Lösungsansätze zur Problematik der Holzbalkenköpfe in Außenwänden mit Innendämmung

Cited by 5 publications

References 4 publications

Evaluation of the risk of decay of wooden beams embedded in internally insulated walls by long-term measurements

Evaluation of the risk of decay of wooden beams embedded in internally insulated walls by long-term measurements

Case Study of Application of Capillary Active Thermal Insulation Systems Used as an Interior Insulation for Historical Buildings

Innendämmung bei Holzbalkendecken – Regeln für eine schadenfreie Sanierung

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