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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.
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."
Source: Hemp could be key to zero-carbon houses
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."
Source: Hemp could be key to zero-carbon houses
