Description
The principle of the production of insulating windows entails immobilizing, between two sheets of sealed glass, air that, trapped like this, has a low thermal conductibility. The windows must satisfy two conditions: stay transparent and improve insulation.
The windows are formed by a frame around the edges, which is generally metallic, which acts as a spacer, and to which the sheets are glued with putty.
The frame (size can vary from 6 to 30 millimetres), is empty inside and has small holes on the surface, it contains a dehydrator to eliminate any trace of water steam left in the air cavity, thereby ensuring the glass is transparent and preventing condensation; the putty guarantees impermeability and the sealing of the same.
There are simple and double barrier windows.
If the main function of the window is to improve thermal isolation, others can be added, like, for example:
- acoustic insulation (in this case air can be replaced by other gases);
- safety;
- fire protection;
- solar protection, using treated or tempered, laminated etc. glass
