Civil Engineering Reference
In-Depth Information
of course no time has to be spent removing the shuttering. Weighed against this, however,
is the cost of the boards, as well as the inherent reduction in sustainability of the build
when using additional, highly processed materials that are transported long distances.
Wood wool board used as permanent shuttering is fixed
using screws and plastic washers, as shown here on a
window reveal.
Different solutions will fit the priorities on different builds. Self-builders, for instance, who
may be in a position to supply their own labour, might prefer to go with the labour-heavy
option of temporary shuttering rather than have a significant increase in material costs.
All these factors need thinking about at the design stage, so that the frame design can en-
compass them. Lastly, it is worth saying that while permanent shuttering can be a useful
strategy in lots of situations, something of the elegant simplicity of a cast hempcrete wall
is lost by adding another layer to it.
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