Civil Engineering Reference
In-Depth Information
Magnesium silicate permanent shuttering, from inside the building.
Magnesium silicate board is a synthetic, high-embodied-energy product. It is a much more
expensive option than wood wool board and, in our opinion, brings fewer benefits, since
its very dense structure appears in practice to be much less breathable than wood wool.
The very smooth surface also precludes the application of traditional lime plaster, and is
probably best finished with a (more expensive) proprietary lime-based plaster, which adds
further costs to the build.
To our knowledge, at the time of writing magnesium silicate boards are all produced in
India or China, and therefore may use more energy in their transportation to the UK than
those made in Europe. There is also a lack of clear information available about the envir-
onmental impacts of the manufacturing processes or the working conditions of those in-
volved in their production.
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