Abstract

Bringing Hemp Lime into Commercially Viable Off-site Manufacture 

Ian Pritchett, Greencore Construction and Hempsec Ltd

Ian Prichett[1]Ian Pritchett BSc(hons) is a physics graduate from Durham University.

Ian started IJP Building Conservation in 1986 when the revival of traditional materials was in its infancy. His growing awareness of environmental issues and belief that traditional materials have an important role in the future of mainstream construction lead to the formation of Lime Technology Ltd. (in 2002), a company dedicated to pushing the use of traditional lime mortars into the new build market, as an ecological alternative to cement, by the innovative use of modern methods.

Following various senior roles at Lime Technology, Ian left in 2013 and set up Greencore Construction Ltd. – a company dedicated to the construction of low and zero-carbon buildings for discerning clients – where he is currently Managing Director.

Greencore is mainly involved in the manufacture and erection of building super-structures using its own Hempcell system. This is a closed panel timber frame system insulated with Lime-Hemp and natural fibre insulation. Greencore uses predictive thermal modelling as a design tool in advance and post completion monitoring to ensure its building deliver to the required design performance (eliminating the performance gap).

Greencore Construction has a subsidiary, Hempsec Ltd. a research company set up to participate in the Hempsec EU funded project at the Centre for Innovative Construction Materials at Bath University. The project is developing low embodied energy (high thermal performance) building materials and systems - mainly based on timber, hemp and lime. The system will then be franchised to partners in other EU countries.

Ian is an acknowledge expert in the field of traditional, low energy building materials and gives numerous lectures on the subject. Ian has pioneered the use of lime mortars and lime-hemp through a combination of practical and technical expertise, supplying lime products to hundreds of new building projects including the new Channel Tunnel Rail link Terminal at St Pancras Station, Chelsea Royal Hospital, the new Adnams Brewery Distribution centre, M&S store at Cheshire Oaks, the new Science Museum Archive, hundreds of houses and numerous schools and other non-domestic buildings.

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  • 21 July 2016 Creation Date
  • 25 September 2019 Last Updated