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THERMAL INSULATION MATERIALS FROM RENEWABLE RESOURCES: THERMAL AND HYGRIC PERFORMANCES



Author(s): M. Viel, F. Collet and C. Lanos
Paper category: Proceedings
Book title: Proceedings of the 2nd International Conference
on Bio-Based Building Materials
Editor(s): Sofiane AMZIANE, Mohammed SONEBI and Karine CHARLET
ISBN:
e-ISBN: 978-2-35158-192-6
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 443-450
Total Pages: 7
Language : English


Abstract: The European ISOBIO project aims to develop new bio-based building insulating materials which
contribute to reduce environmental impacts of buildings. The developed materials shall have low
embodied energy and low carbon footprint and shall contribute to reduce energy needs of
buildings ant to ensure high hygrothermal comfort of users. This study investigates the valuation
of agro-resources as bio-based aggregates and as binding material to produce wholly bio-based
composites. Two types of aggregates: hemp shiv and corn cob residues (obtained after alkali
treatment on the corn cob), and five types of green binders are investigated. Specimens are
produced to characterize thermal and hygric properties of developed composites and to identify
the best mixture between aggregate and binder. They show interesting thermal and hygric
properties. They have low thermal conductivity ranging from 0.067 to 0.148 W/(m.K) and
depending on the mix (aggregate with binder). They are excellent hygric regulators (MBV >2
g/(m2.%RH)). These results suggest that developed composites can be used as building
materials but not for the same types of use. In fact, some composites would be more suitable for
thermal insulating products and others would be better suited to indoor facing panels.


Online publication :2017
Publication type :full_text
Public price (Euros) : 0.00


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