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Key to the performance and the longevity of a building is how it manages the movement of moisture, heat, and airflow through its enclosed space, such as through floors, walls and roofs.
Our new hygrothermal analysis service shows you the impact that can be expected on your building – existing or proposed – by assessing how the different mechanisms of heat and moisture transfer could result in interstitial and surface condensation, mould growth, material decay and other moisture-related problems.
With the drive towards sustainability and an emphasis on being as energy efficient a possible, the design of the building envelope is increasingly important.
High relative humidity levels within the envelope can be the cause for short- and long-term damage to the structural, energy, and aesthetic performance of the building. Additionally, they can also create conditions which are detrimental to the health of the occupants.
The hygrothermal analysis is conducted with the WUFI software which is a numerical simulation tool developed to provide a more realistic depiction of the hygrothermal conditions within the envelope. In contrast to the simplified, steady-state Glaser method – used widely in the past according to the BS EN ISO 13788 – this transient-state, dynamic simulation gives a more realistic depiction of the hygrothermal conditions and supports a clearer assessment of the associated risks. This is due to the software’s capacity to take into account all the heat and moisture mechanisms and material properties that have substantial impact on the hygrothermal behaviour of an element which also makes it compliant to the BS EN ISO 15026.
The software allows for analysis according to models using different preventive measures or materials so developers can assess the likelihood of a problem with a particular design and then see how to design it out using different materials or construction technique.
Different repair options can also be modelled allowing for the successful retrofit of appropriate materials in existing buildings.
Hygrothermal analysis acts as an early warning system for moisture-based issues and can help extend the life of a building.
Syntegra MD Alan King said: ‘It is understandable that the current focus is on energy efficiency in buildings, but it is vital to never lose sight of moisture issues as these can prove highly problematic – and hugely expensive to resolve if left unchecked.’
If you are interested in accessing this service for an existing building or a new project, please get in touch today for an initial discussion.
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