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Hemp Could Be Key To Zero-carbon Houses

Date:
April 13, 2009
Source:
University of Bath
Summary:
Researchers are investigating using hemp, a plant from the cannabis family, to build carbon-neutral homes. Using this renewable building material would not only help combat climate change but could also boost the rural economy.

Hemp, a plant from the cannabis family, could be used to build carbon-neutral homes of the future to help combat climate change and boost the rural economy, say researchers at the University of Bath.

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A consortium, led by the BRE Centre for Innovative Construction Materials based at the University, has embarked on a unique housing project to develop the use of hemp-lime construction materials in the UK.

Hemp-lime is a lightweight composite building material made of fibres from the fast growing plant, bound together using a lime-based adhesive. The hemp plant stores carbon during its growth and this, combined with the low carbon footprint of lime and its very efficient insulating properties, gives the material a ‘better than zero carbon’ footprint.

Professor Pete Walker, Director of the BRE Centre for Innovative Construction Materials, explained: “We will be looking at the feasibility of using hemp-lime in place of traditional materials, so that they can be used widely in the building industry.

“We will be measuring the properties of lime-hemp materials, such as their strength and durability, as well as the energy efficiency of buildings made of these materials.

“Using renewable crops to make building materials makes real sense - it only takes an area the size of a rugby pitch four months to grow enough hemp to build a typical three bedroom house.

 “Growing crops such as hemp can also provide economic and social benefits to rural economies through new agricultural markets for farmers and associated industries.”

The three year project, worth almost £750,000, will collect vital scientific and engineering data about this new material so that it can be more widely used in the UK for building homes.

The project brings together a team of nine partners, comprising BRE Ltd, Feilden Clegg Bradley Studio architects, Hanson Cement, Hemcore, Lhoist UK, Lime Technology, National Non-Food Crops Centre, University of Bath and Wates Living Space. As part of the project the University of Bath received a research grant of £391,000 from the Renewable Materials LINK programme run by the Department for Environment, Food & Rural Affairs (DEFRA).


Story Source:

The above story is based on materials provided by University of Bath. Note: Materials may be edited for content and length.


Cite This Page:

University of Bath. "Hemp Could Be Key To Zero-carbon Houses." ScienceDaily. ScienceDaily, 13 April 2009. <www.sciencedaily.com/releases/2009/04/090408074401.htm>.
University of Bath. (2009, April 13). Hemp Could Be Key To Zero-carbon Houses. ScienceDaily. Retrieved November 25, 2014 from www.sciencedaily.com/releases/2009/04/090408074401.htm
University of Bath. "Hemp Could Be Key To Zero-carbon Houses." ScienceDaily. www.sciencedaily.com/releases/2009/04/090408074401.htm (accessed November 25, 2014).

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