Field measurements and simulation of an massive wood panel envelope with ETICS

ABSTRACT

Sufficient dry-out capacity of the constructional moisture is important for solid wood structure wall assemblies, especially with a non-ventilated façade system. The objective of this study was to create a validated simulation model of a Massiv-Holz-Mauer (MHM) panel external wall with ETICS (External Thermal Insulation Composite Systems) based on the field measurements. Field measurements were carried out in a two-floor wooden detached house. Temperature (t) and relative humidity (RH) were measured between the material layers of the external wall. Results of field measurements were used to create and validate a one-dimensional simulation model. It was concluded that the validation of the created simulation model was successful, and simulations were very similar to the field measurements. The simulation model can be used for future studies to evaluate the hygrothermal performance of the MHM panel envelope with ETICS.

KEYWORDS:

• MHM
• field measurements
• validation of simulation model
• ETICS

Acknowledgments

This research was supported by the Estonian Research Council with Personal research funding PRG483 “Moisture safety of interior insulation, constructional moisture and thermally efficient building envelope”, Institutional research funding grant IUT1-15, Estonian Centre of Excellence in Zero Energy and Resource Efficient Smart Buildings and Districts, ZEBE, grant TK146 funded by the European Regional Development Fund. The author wishes to thank Estonian manufacturer of prefabricated timber frame houses EstHus OÜ and the owner of the detached house Ermo-Raiki Rebane for cooperation.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This research was supported by the Estonian Centre of Excellence in Zero Energy and Resource Efficient Smart Buildings and Districts, ZEBE (grant No. 2014-2020.4.01.15-0016) funded by the European Regional Development Fund, by the Estonian Research Council (grant No. PRG483), and by the European Commission through the H2020 project Finest Twins (grant No. 856602). The author wishes to thank Estonian manufacturer of prefabricated timber frame houses EstHus OÜ and the owner of the detached house Ermo-Raiki Rebane for cooperation.