I am mulling my options here. The usual trope for new builds is cavity wall + insulation. This seems excessive, costly, and wasteful. What is wrong with EWI systems ? A single block wall, and you can pack in 1.5-2x more insulation within the same space, don't have to deal with complexities regarding venting/draining and so on. Should we be thinking about moving beyond cavity walls in the age of eco construction ? Faster builds, less resources, lower complexity, and more insulation seems like a win win to me.
Why still cavity walls ?
- Thread starter omph
- Start date
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EWI = render.
Plus it's crap for other things like replacing windows, future façade work, etc. And it probably costs more. , overall.
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