• Disagree. Least likely to be problems doing EWI on a solid wall. With cavity there's a lot that can go wrong in terms of moisture and I think much of what has already been done has caused a lot of damage to the existing buildings. Although it's also cowboy retrofit territory (see also spray foam in the loft, snake oil rising damp solutions).

  • Although it's also cowboy retrofit territory

    Hah, yeah. In that dangerous nexus of naive customers, cheap shit products, little up-front investment required, no specialist skills required, mechanical delivery, mostly invisible, all future problems can be waved away or blamed elsewhere.

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