Is fireproofing tall buildings an expensive luxury?

Architects for Social Housing (ASH) on the causes of the Grenfell Tower fire

https://architectsforsocialhousing.wordpress.com/2017/07/21/the-truth-about-grenfell-tower-a-report-by-architects-for-social-housing/

Fighting fires/fire prevention in tall towers is a huge problem and an effective remedy, if there is one, would surely add greatly to their already formidable build costs in comparison to low rise.

See below an excerpt from e-architect website:

https://www.e-architect.co.uk/articles/fire-risk-in-high-rise-buildings

“In the new generation of super-buildings, fire safety takes on a whole new dimension, because – beyond sprinkler systems – how do you tackle a fire a kilometre up in the sky?

The answer is: with great difficulty, and there have been several notable cases where a sprinkler system has made things worse, with cold water coming into contact with non-fire rated glass and causing the glass to break and allowing more oxygen to reach the seat of the fire.  The same is true of tempered glass, with a limited fire-rating.”

More on fire prevention in tall buildings:

http://www.sciencedirect.com/science/article/pii/S1877705814004895

https://www.brebookshop.com/samples/327419.pdf

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