Double Glazing


double glazing is the process of creating an insulating layer between two or three panes of glass. The layer consists of special heavy gases, air or vacuum. The main objective of the process is to hold in heat, even though glazed panes let in sunlight. Complete glazed glass panes measure 3 to 10 millimeters thick. However, special applications sometimes require thicker panes.

Learn more about double glazing.

Uses of double glazed windows

This kind of windows have several uses. They usually become an ideal alternative to windows that require substantial repairs or replacement. The windows also come in handy in heated rooms in order to preserve the heat. The measurement of heat retention property of the windows is an R-value, and a high R-value results in a high heat retention capability. Lastly, large windows also need glazed panes due to their durability and strength.

Benefits of the double glazed windows

The most notable benefit of the windows is preservation of heat. This benefit translates to energy conservation and a building user can channel the saved energy to other uses. The windows also reduce maintenance costs that emanate from repairing broken window panes. Additionally, moisture cannot build up on the windows since the layer between the panes is compact. Due to the insulation of the windows, external noise cannot find its way into a room. Lastly, the windows increase the thermal comfort of a room since there is no heat transfer through the windows.

Reasons for using double glazing windows

In winter, the windows usually keep the cold out. The interior of a house or building stays warm and comfortable to stay or work in. The windows also keep natural sunlight coming in since there is no moisture that forms on their surface. This element adds up to the energy conservation efforts. Lastly, the money that a building owner saves from the energy as maintenance cost can go to other constructive activities such as recreation or investments.

Who would be interested in using the windows?

People who reside in regions that experience snowy winters and cold storms can find the windows beneficial. The windows can efficiently lock the cold out and protect the building inhabitants from the effects of cold weather. Due to the longevity of the windows, owners of buildings with large windows find use of double glazed windows as a cost effective measure. The windows reduce hefty replacement and maintenance costs that large windows attract.


Not only does double glazing windows conserve energy, but also they save money and other resources. The windows offer heat retention especially in heated rooms. Currently, modern houses are increasingly making use of this kind of windows due their benefits.