There's factories in at least Belgium, Finland, Germany, Hungary, Lithuania, Switzerland, Russia, Slovakia and Ukraine.
The insulation properties depend on the chemical composition of the glass. With recycled glass, the chemical composition is not fully under control and therefore they limit the amount of recycled glass.
Production of cellular glass (also called foam glass) requires, even with recycled glass, a lot of energy. That makes it one of the most expensive inorganic insulation materials.
It also has some extreme insulation properties: it doesn't look like it really absorbs or lets through any moisture or air. There might be cases where that isn't ideal.
But living on the fourth floor of an old building with central heating in the basement does make me wish all the pipes were insulated with that material instead - it's absurd to have to wait many minutes for warm water to come out of the tap or shower because so much heat is lost along the way.
> Sound-absorbing Foamglas® insulation is more than 50% open cell bubbles, and heat-insulating Foamglas® is more than 75% closed-cell air bubbles, which can be adjusted according to the requirements of use through changes in production technical parameters.
Wonder how much more expensive these would be to manufacture. Making no waste is priceless though.
You could get a few in series and have a hasty purification system.
Some countries do that. Notably Finland and Sweden. When you buy a can of coke, or a glass bottle of beer, there is a small surcharge added to the price. When you return the empty container you receive your money back.
People discard cans/bottles in parks, at bus-stops, and people make a living collecting them and claiming the money back.
(Whether you are able to return them is a different question, because the Danish system allows vendors to reject bottles that they aren't selling themselves, which is something Germany was quick to outlaw)
A few cans and bottles are discarded but the vast majority are returned because it is so easy to do; almost every supermarket has a machine that accepts the bottles and cans (including those not sold in that shop), crushes them, and prints a ticket that you can redeem at the checkout.
I had no idea the program had stopped, but I guess it must have been around the time I left Scotland.
Reusing glass bottles might make more sense, since you save the melting step.
Also, http://www.ferver.eu/en/node/31 disagrees with you that it's not "a lot".
I think recycling glass makes much more sense than throwing it away.
It never occurred to me back then that it was unusual …
They're about the same size as mole jars.
You can even put a lid back on it if you fear it might spill (eq. on a cluttered desk).
Articles like these pop up every now and then and I can't help but think of my friend's dogfood shack.
(Oh, and the house was built by a proper construction crew, with wood beams and all, not bottles...)
I see some fine examples on duckduckgo search results, but they look too extravagant: https://duckduckgo.com/?t=ffab&q=house+made+of+glass+bottles...
Was there anything used as mortar between the bottles?
Exterior Photo: https://media04.berliner-woche.de/article/2018/01/30/8/8798_...
Article (in German): https://www.berliner-woche.de/schoeneberg/c-kultur/alfred-ko...
Context: As a Belgian we like to make fun of Heineken not being a 'real' beer, because Belgian beers are way better. This is of course all relative because I know some Belgians picked Heineken as their favorite beer in blind tests (shame on them! ;)).
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Beer bottle houses weren't uncommon in the late 1800's and early 1900's in the mining towns of the American deserts. There wasn't enough water to make bricks, and wood was scarce and needed for other purposes.
But where there are men, there is beer. So beer bottles were used to build homes. I've seen at least four, including one preserved by the State of Nevada in a ghost town outside Beatty.