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ansgri | 2 months ago

It really is amazing, you can build a whole 2-story house out of it quickly using polymer-based glue instead of mortar, only using traditional reinforced concrete in some critical places. Was quite popular in russia, last I checked. Unfortunately hard to find in some better CIS countries.

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orthoxerox|2 months ago

Yes, about 60% of all new single-family homes are built out of AAC in Russia. It's also very common as an infill in reinforced concrete frames, like blocks of flats.

There are AAC factories in Ukraine, Belarus, Kazakhstan that I know of. The rest are probably too seismically risky to be major AAC markets.

ansgri|2 months ago

Didn’t really study this aspect, but it feels like thick AAC blocks would be better for seismic stability than those tuff stone blocks popular in Armenia. It’s lighter, glues to neighboring blocks better due to perfect shape, and has better heat insulation.

It would be amazing if AAC-like material could be produced on-site economically to create a lighter form of monolithic reinforced concrete construction, like filling a formwork with expanding foam.

lm28469|2 months ago

You can also build brick walls without mortar, some of them even contain insulation, you just need to plaster both sides and you're good to go. Porothern dry fix is a good example

I had the choice between aircrete and that for my house and went for good ol bricks instead

AtlasBarfed|2 months ago

So they buy preforms, or they mix it themselves and pour into forms?

orthoxerox|2 months ago

It's precut autoclaved blocks.