Civil Engineering Reference
In-Depth Information
Hempcrete blocks in a new-build house under construction. (Note: the timber
structure in the foreground is wooden scaffolding, not part of the frame!)
A number of different companies have been producing hempcrete blocks commercially for
several years, both in Europe and, to a lesser extent, in the UK. At first glance blocks might
seem to be the obvious way of using hempcrete, especially considering the benefits of off-
site drying. However, there is a fundamental inefficiency in casting blocks which are then
laid in mortar, because you need a mixer and formwork (shuttering) to make the block in
the factory, and then several subsequent processes must take place before it becomes part
of the finished building. Casting the wall in situ is more cost-efficient.
The main arguments against blocks are as follows:
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