Ireland gets world’s first printed social houses
Ireland gets world’s first printed social houses
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Ireland gets world’s first printed social houses - Global Construction Review
7 comments
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The exterior appears to be double-walled, and I assume they fill the gap with an insulating material.
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Air gaps are a pretty cheap insulator (at least as far as sound insulation goes). The concrete walls should provide thermal mass for more stable temperatures indoors.
Take this with a grain of salt or the ramblings of a random person online, but something I heard somewhere is that thermal mass and thermal insulation kind of have opposite methods to come to a similar goal. Thermal insulating materials typically have awful thermal mass and materials with high thermal mass typically have terrible insulating properties.
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Air is a very good insulator, but where it fails is fluidic convection. Most lightweight insulating materials are basically trapped air—air that isn’t allowed to flow. That’s why I think they’ll blow insulation into the gaps.
The insulating properties of thermal masses depends on the material. For instance, copper is very dense but makes a terrible thermal insulator. I’m not sure which is a worse insulator: a free-flowing air gap or concrete. Neither is ideal.
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We used to have the airgap but new builds have pumped fill in them. Going further they also have like 70mm internals insulation on externals walls and 20mm on interior walls.
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Amateurs, Poland had printed social houses for years by now. Printed as in existing only on paper.
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I wonder how this structure will age with no reinforcement within the concrete. I'm sure something like this wouldn't work at all in an earthquake prone area.
7 comments