> [!info] Metadata > - publication:: [[The Iceberg]] > - related:: [[2022-02-14 Housing|Housing Newsletter]] > mention germany and how cool the thatch roof was; [link to instagram](https://www.instagram.com/p/CfAbsCPud8Y/?hl=en). ## Quick Facts - [[Fujian Tulou via UNESCO]] had tiled roofs. - - 3 - 4 - 5 ## paragraph one Didn't the ancient egyptians use their roofs as basically a second floor? ## paragraph two | | Niger-Congo | Sudanic | Afrasan | Khoisan | | House styles | rectangular, gable-roofed houses (esp. in rainforests) | round houses with cone-shaped roofs | rectangular, flat-roofed houses mostly | hemospherical dome-shaped houses | ## paragraph three [[2022-02-14 Housing#Contiguous House]] / [[large neolithic communities with flat social hierarchies existed]] / [[Çatalhöyük|Catalhoyuk]] ## paragraph four Flat roof buildings are more conducive to mitigating the urban heat island effect. Flat roof buildings are more conducive to mitigating the urban heat island effect, and the canyon heat island effect formed by triangular roofs is the strongest, while the downward roof buildings are bad for the heat diffusion on the windward side. [Source](https://www.semanticscholar.org/paper/Impact-of-Roof-Shape-on-Micro-environment-in-Street-Jie-Shuangxi/66e12a22b7587d0616c5517fe2cdfad4255842e5) That said, [dome roofed rooms are probably cooler](https://www.semanticscholar.org/paper/Efficient-Roof-Shapes-through-Wind-Flow-and-Indoor-Mahdavinejad-Javanroodi/d2e7377fba1c0c016cb3428d2d67fdb56ffcfad7) on the inside, which is why [domed roofed buildings are more common in arid environments like Iran](https://www.semanticscholar.org/paper/Air-flow-patterns-around-domed-roof-buildings-Yaghoubi/ab92482da0e3be00f3e4a06af4e91a74b16a9851), where they also help protect against windstorms.