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Old Posted Jun 10, 2019, 11:27 AM
Aryan Shahabian Aryan Shahabian is offline
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Question Purpose of vertical extension of curtain-walls and structural elements over the roof

What's the purpose of vertical extension of curtain-walls and primary structural elements over the roof of tall buildings?

In many tall buildings, parts of primary structural elements and/or the curtain-walls are above the occupied space and the roof.

See this image as a clear example : https://architizer-prod.imgix.net/me...press&cs=strip

They don't separate interior and exterior spaces; in fact, they are only in the exterior space.

How are they called? Is there a specific term to address them?

And what's the purpose of designing and constructing them?

Are they useful to reduce wind-induced noise at the top floors?

Are they useful to reduce wind speed on the roof?

Or are they just for aesthetical purposes?


Thank you
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  #2  
Old Posted Jun 12, 2019, 7:04 PM
arkhitektor arkhitektor is offline
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Quote:
Originally Posted by Aryan Shahabian View Post
What's the purpose of vertical extension of curtain-walls and primary structural elements over the roof of tall buildings?

In many tall buildings, parts of primary structural elements and/or the curtain-walls are above the occupied space and the roof.

See this image as a clear example : https://architizer-prod.imgix.net/me...press&cs=strip

They don't separate interior and exterior spaces; in fact, they are only in the exterior space.

How are they called? Is there a specific term to address them?

And what's the purpose of designing and constructing them?

Are they useful to reduce wind-induced noise at the top floors?

Are they useful to reduce wind speed on the roof?

Or are they just for aesthetical purposes?


Thank you
There is typically a lot of mechanical, elevator and other electrical equipment on top of a tall building. The exterior cladding is extended beyond the occupied floors to conceal this equipment. It is called a mechanical penthouse.
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Old Posted Jun 18, 2019, 6:43 PM
scalziand's Avatar
scalziand scalziand is offline
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Location: Naugatuck, CT/Worcester,MA
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And the actual walls are called parapets.
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