| Issue |
MATEC Web Conf.
Volume 163, 2018
MATBUD’2018 – 8th Scientific-Technical Conference on Material Problems in Civil Engineering
|
|
|---|---|---|
| Article Number | 08005 | |
| Number of page(s) | 8 | |
| Section | Energy-Efficient Building Materials | |
| DOI | https://doi.org/10.1051/matecconf/201816308005 | |
| Published online | 15 June 2018 | |
Inverted roof insulation kits and their durability
Building Research Institute, Filtrowa 1, 00-611 Warsaw, Poland
* Corresponding author: b.francke@itb.pl
In the paper there was analyzed a mechanism of loss of performance properties of inverted roof insulation kits resulted by moisture increase of the insulation layers. This problem is very important in such systems because the thermal insulation is placed above the waterproofing layer and is not protected against water absorption. Abovementioned problem is more and more common in the course of building’s utilization in Polish climate conditions. Because inverted roof kits are based on extruded polystyrene (XPS) and expanded polystyrene (EPS), those materials have been used in tested samples. The results of laboratory tests showed the phenomenon and its effect on durability and sustainability of roof covering performance. It was also found that the biggest influence on the increase of moisture in the thermal insulation layer has not the long term water absorption by immersion but freeze –thaw cycles.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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