Foam glass
Foam glass or expanded glass is a porous glass foam material. It is used as a lightweight, moisture- and fireproof building material with thermal and acoustic insulating properties.
Foam glass or expanded glass is a porous glass foam material. It is used as a lightweight, moisture- and fireproof building material with thermal and acoustic insulating properties.
Foam glass or expanded glass is a porous glass foam material. It is used as a lightweight, moisture- and fireproof building material with thermal and acoustic insulating properties.
Source: Wikipedia "Foam glass" · CC BY-SA 4.0
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