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Scientists develop game-changing 'glass brick' that could revolutionize construction: 'The highest insulating performance' (www.thecooldown.com)

submitted 9 months ago by L4s@lemmy.world to c/technology@lemmy.world

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Scientists develop game-changing 'glass brick' that could revolutionize construction: 'The highest insulating performance'::The team of scientists developed an aerogel glass brick, which is a translucent and thermally insulating material.

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[-] ChickenLadyLovesLife@lemmy.world 2 points 9 months ago

Aerogel is insanely expensive. It has an R-value of 10 per inch and the handy property of costing about $1 per R-value per square foot. So a piece of aerogel 1" thick by 4' x 8' would cost $320; the equivalent piece of 2" thick XPS foam board (also R-10) costs about $50 these days. So with aerogel you're paying a 500% to 600% premium to have your insulation be half as thick as XPS would be - and to essentially have no compression resistance at all (vs. the 20+ PSI of foam board).

this post was submitted on 14 Feb 2024

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