Why do we use tiles for roofs instead of a smooth flat sheet?

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Why roof tiles exist. I understand why we don’t have flat roofs, but why do we have hundreds of tiles that sort of overlap each other and can be pulled or blown off easily?

Why aren’t roofs like a giant tent, still A shaped but each side is just a big sheet of whatever weatherproof material we got?

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28 Answers

Anonymous 0 Comments

You could do that. One piece roofs are hard to manufacture, hard to transport, and hard to install.
Tiles can be mass produced in a relatively small factory, easily transported in bundles by standard vehicles, and are easily installed by semi-skilled workers.
Also, if it gets damaged you may have to replace the whole thing. You can just replace a damaged tile with a new one.
There is more to it than just weatherproof-ness.

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