Modern windows are very different from what they once were, but the history of windows is somewhat interesting to consider. In the past, a window was simply glass and frame. Now it is complex and provides more than just a way to look out of a home.
In fact, in ancient China, Korea, and Japan, the paper was actually used for windows. Romans were the first group of people to be known to use glass for windows, and this was back in 100AD.
One known incidence of automating glass manufacturing was a patent awarded to Henry Bessemer in 1848. He then introduced a form of “Float Glass” in 1843. This signifies when glass is poured into liquid tin. This became popular in the mid-20th century, which led to the discovery of huge windows.
Now, most windows are double-glazed glass, but before they were invented, typically windows were inserted into frames in the winter only. They were called storm windows and were thought to keep in the heat, therefore increasing energy efficiency. In Europe, they were removed and replaced by shutters in the summer.
When history continued, the first patent for a sealed double-glazed unit occurred in the 1930s. Then Europe had an oil crisis in 1973, and governments changed some of the regulations for buildings. This meant loans in order to improve the building’s efficiency.
Today, it is very common to see double-glazed windows and doors. In fact, there are even triple-glazed windows. It just shows that we have come a long way, with frame materials for energy efficiency. The same can be said about air tightness. Newer windows have various styles that allow them to avoid drafts.
Windows have completely changed through the years, but the origin of glass windows in Roman times, and paper windows in Asia, will live on forever.
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