A typical saying is that passive house walls with cellular glass are becoming too thick due to the moderate thermal conductivity. Like most sayings, the truth is something else, it is founded on conservatism. Indeed, Denmark has its first cellular glass passive house and the next one is underway.
The house is a Clean Tech Block result, which is already mentioned in previous blog. Clean Tech Block is a project from Gråsten Teglværk, the University of Aalborg and the University of Ljubljana.
The project is described in a newspaper, the “Der Nordschleswiger”. It is real example of durable building and all the typical certificates are granted.
The choice for cellular glass is obvious:
- air tight (passive house standard)
- vapour tight and so no risk for humidity accumulation
- free from rodents, ants and other animals.
- long if not eternal lifetime
- ecologic, according to the Swiss even the most ecologic thermal insulation
- non-combustible
- self-supporting, no deformation due to mechanical load or temperature
- almost the same thermal expansions as the other minerals used in the building
- not expensive if produced by direct foaming of recycled glass.
In our opinion, this is a major step in cellular glass building.
BELGLAS BV 
In Finland, we have designed ECO2Wall Oy a new type of wall element, whose construction costs can be minimized, ecology plays a major role and also safe.
During the spring, we will begin construction of the first reference object.
Cellular glass is a great product in any building.
In Finland, we have designed ECO2Wall Oy a new type of wall element, whose construction costs can be minimized, ecology plays a major role and also safe.
During the spring, we will begin construction of the first reference object.
Cellular glass is a great product in any building.