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missing cavities
missing cavity barriers?
Retrofitting sprinklers has apparently got a lot cheaper too, but that's only from media, I don't know anyone who's done it.
The things is compartmentalisation works, on the whole. There are approx 2 high-rise fires a day (in the UK) that don't result in any deaths and you don't hear about and often even in the same block you're unaware of it. The conventional wisdom was that mass exodus carried a higher likelihood of injury and obstructing the fire service, so better to stay put and stay calm. There was also the thinking that reliance on sprinkler systems was risky because as an 'active' measure they could fail to function, so the fire prevention had to be 'built-in'.All of that orthodoxy has now gone. No-one will stay put, for good reason.
Indeed. It was originally intended to be for buildings over 18m only, but it's ultimately at the discretion of the lender.
I'm on the RTM board of our building, which has just had a B2 EWS1 so in effect no one can sell or remortgage until it's resolved. Timescales for that are, realistically, 12 months even on a fairly hopeful view. It's all an absolute shit show, and the government are stuck because they have no real process to fix the problem but nor can they just say "everyone ignore the risks and let's pretend Grenfell never happened"
BTW it's not only cladding that's the problem; our building has polystyrene insulation under render on two walls and that's what's knackered us