Sustainable approach to architectural design

Edward Cullinan Architects specify Tradical Hemcrete from UK's leading developer of lime-based products, Lime Technology, for its canalside scheme, Baldwin Terrace.

Located in a Conservation Area and with the full support of the Conservation Officer, the GBP2.1 million development will exceed the Mayor of London's new target of achieving 20% energy use from renewable sources.

The development will convert the 19th century foundry into the architect's new office and 12 new apartments.

A key element of the scheme will be the use of Tradical Hemcrete from Lime Technology.

Produced from lime and hemp Tradical Hemcrete is a highly sustainable way of renovating existing walls as well as creating new structures.

Tradical Hemcrete will be used on both the north and south faandccedil;ades to the office, but in two different applications.

The south canal faandccedil;ade is locally listed along with the existing timber roof trusses and so it will be applied as an internal lining to the existing brickwork and openings.

The north is a new build faandccedil;ade using the product with a Lime Technology's Baumit external render system.

Tradical Hemcrete offers a number of highly desirable characteristics.

It has excellent thermal properties that enable buildings to be naturally cool in summer and warm in winter, therefore, reducing the need for heating and cooling.

The hemp locks up carbon, enabling the creation of less than zero carbon buildings.

While a square metre of traditional brick-and-block cavity wall might create 100kg of CO2, a square metre of Tradical Hemcrete wall can actually capture and lock-in up to 30kg of CO2 from the atmosphere - a reduction of 130kg of CO2 emissions per square metre of walling.

Produced mainly from renewable sources, Tradical Hemcrete is mixed on site for fast track construction and delivers high levels of insulation, airtightness and vapour permeability.

It is spray applied or cast in-situ on site using a temporary or permanent shuttering system to create the walls.

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