Hemcrete Walling System
Hemcrete® is an established walling material for carbon negative highly thermally efficient walls which has the following advantages over traditional building materials:
- Hemcrete® absorbs CO2 in its manufacture and so has a negative embodied CO2.
- For a typical wall section Hemcrete® will have an eCO2 of 130kg CO2/m2 less than traditional brick and block
Hemcrete® is made from renewable UK grown hemp based materials.
- Hemcrete® is highly insulating resulting in thin walls with a very low U value ideal for meeting the higher levels of the Code for Sustainable Homes.
- Unlike other insulators Hemcrete® also has thermal inertia similar to thermal mass and so houses built of Hemcrete change temperature very slowly reducing heating loads significantly below lighter weight buildings with the same U value.
- Hemcrete® is vapour permeable and when used with Baumit lime based renders and plasters creates a breathable walling system for healthy living.
One of the huge benefits of the Hemcrete® system is its affordability. No expensive plant hire is needed, no complex construction procedures and no complex heating requirements. The Renewable House (pictured below) comes in with a build cost circa £75k (excluding land) which makes this a viable way of achieving the higher levels of the Code for Sustainable Homes in an affordable way.
Hemcrete® has been used in a number of recent projects including the following:
Social Housing scheme in Clay Fields, Suffolk.
Adnams Brewery, Suffolk
The Renewable House, BRE Innovation Park, Watford
If you would like to learn more about Hemcrete® and its applications, please contact us
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