Hemp hurds are mixed with a combination of lime products to produce a light weight, insulating, breathing material.
Hemp stalk showing hurd.
Lime
Lime
The mixture of lime to hurds varies with the type of construction application and prevailing climatic conditions.
Hydrated lime.Traditional Lime Company supplier of lime and hemp hurd for building in Ireland.
Casting Hemp
This hempcrete is cast around a timber framework. This is achieved by tamping down between shuttering, or it can be sprayed against a formwork (permanent or temporary). Internally a variety of finishes are possible. In this example the framework has been left exposed and the hempcrete finished with a natural paint.
Hemp casting around a timber frame
Hempcrete finished with a Hemp plaster
Hemp Plaster
Internally the hempcrete can be finished with a lime plaster which can be then painted with breathable natural paints.
Lime Render
Externally the hempcrete is finished with a lime render which can be painted with breathable natural paints.
Hempcrete finished with a lime render unpainted
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