eli5: Why are skyscrapers nearly always covered in glass completely in contrast to small buildings?

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Like is there a specific reason or is it just a design choice? Or do they have so many tall windows to let as much sunlight in as possible?

It just occurred to me since the futuristic full glass look of skyscrapers really stands out against normal building surrounding them.

In: Engineering

10 Answers

Anonymous 0 Comments

It’s a design choice.

Reasons for it:

1. Lets lots of natural light into the building
2. The windows are more high tech than you might think and can be very energy efficient. There are more efficient systems, but glass can be pretty good, particularly when you’re trying to keep heat in.
3. People like the look. This is subjective, obviously, but a common attitude with developers.
4. Once the slab edge is ready the cladding can go up very quickly and in one phase. With something like brick facade backed by wall studs you first have the light gauge sub come in and install the studs, then you inspect it and the have the Sheetrock folks come in, then you inspect that and then have the waterproofing folks come along, then you inspect that, then you have the brick folks come along and install the brick. In contrast with fully glazes systems it’s an all-in-one package and they just drop the panels into inserts cast into the slab.

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