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Hygric properties of hemp bio-insulations with differing compositions

Latif, Eshrar, Tucker, Simon, Ciupala, Mihaela Anca, Wijeyesekera, Devapriya Chitral and Newport, Darryl 2014. Hygric properties of hemp bio-insulations with differing compositions. Construction and Building Materials 66 , pp. 702-711. 10.1016/j.conbuildmat.2014.06.021

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Abstract

The paper presents the results of a laboratory investigation on the hygric properties of five hemp insulation materials commercially available in the UK. The hemp fibre content varies between 30% and 95% in the total fibre content of the insulation materials examined. The adsorption–desorption isotherm, moisture buffer value, vapour diffusion resistance factor and water absorption coefficient were determined for the insulation materials investigated. The results showed that the hygric properties of the hemp insulation materials could vary widely depending on the constituents and fibrous structure. The considerable differences noted in the hygric properties of the insulation materials examined could potentially influence their hygrothermal performance as part of a building thermal envelope.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Architecture
Subjects: N Fine Arts > NA Architecture
T Technology > TH Building construction
Uncontrolled Keywords: Hemp thermal insulation; Hygric properties; Hygrothermal properties; Thermal insulation materials; Moisture buffering; Adsorption isotherm
Publisher: Elsevier
Date of Acceptance: 16 June 2014
Last Modified: 04 Jun 2017 09:04
URI: http://orca.cf.ac.uk/id/eprint/89964

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