| Back in the day, glazed glass rooflights in a room | | | | customizable and durable for the owner. |
| could make the space it covers below very cold | | | | When paints were still low in quality, owners had to |
| during the winter months. When these overhead | | | | endure the constant weathering of their glass |
| features were sealed inadequately, the cold winds | | | | rooflights. Since these structures were constantly |
| and draughts would pass through and create | | | | exposed to frost, rain and sunlight, the paints would |
| undesirable winter ventilation. Because of this, these | | | | get destroyed easily. People used to repaint often |
| structures were eventually made to be smaller. In | | | | year after year, contributing to the larger |
| extreme cases, the rooflights were removed and | | | | maintenance costs. This problem has since been |
| covered over because of their impracticality. For one | | | | solved with the introduction of microporous paints |
| thing, they were not weather-proof enough and | | | | and stains. Even rooflights in the harsh coastal and |
| maintenance was a huge and expensive problem. | | | | northern locations could withstand the constant |
| But in recent times, there have been modern sealing | | | | natural battering. |
| and double glazing procedures that would make a | | | | With these new innovations, rooflights have been |
| better thermal efficiency in the room which could | | | | brought back into mainstream architecture. Modern |
| lessen the cost of heating. There has also been larger | | | | roof lanterns, as they are called, are even more |
| use of sturdy hardwood timber for the rooflights and | | | | effective in providing a cozy environment below it. |
| modern paint for their bodies, making them more | | | | |