Circular window replacements
Interoc Dörr & Fönster AB

Circular window replacements

Window glass from old windows is recycled into new window glass



Right now, our first two circular window replacements are underway in Gothenburg.

In collaboration with Ragn-sells, we recycle window glass from old window frames so that it becomes new window glass.

Recycled window glass has more than 50% less carbon dioxide emissions than newly manufactured glass. The fine sand used as raw material for window glass is also a finite resource.

Glass shards are collected in clean flows by placing window frames outside the project on pallets and being conveyed to the pre-treatment facility where the glass is crushed. The glass goes through a quality assurance facility and is then shipped to Germany as raw material, where it becomes new window glass (flat glass).

Despite transport, this means a 50% reduction in carbon dioxide emissions compared to manufacturing glass from virgin raw materials.


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