Peter Apps Profile picture
Nov 20, 2023 10 tweets 4 min read Read on X
Remember when Gove kicked Grenfell contractor Rydon off the Help to Buy scheme?

Well the company which supplied the combustible insulation is still raking in sales from the public purse, and bragging about it Image
Saint Gobain is a global building materials firm, which owns Isover - a company which mostly makes non-combustible insulation. But in the 2000s, it decided it wanted a piece of the plastic insulation market as well, and targetted a purchase of UK company Celotex: Image
Saint Gobain was aware through its due diligence that this sort of plastic foam insulation could be a fire hazard, particularly due to the toxic smoke which was released when it burned. It went ahead with the acquisition anyway. Image
Following the take over, Celotex staff were tasked by Saint Gobain with finding new markets for the product. They identified high rise buildings - an area where their material was currently restricted by regulations. They needed to pass a large-scale test to get into the market Image
This test should have cleared the one specific wall build-up tested for use on high rises. Instead, Celotex - like its main rival Kingspan - deliberately implied that its product was suitable for use on tall buildings in general. Former staff accepted this was 'dishonest' Image
Not only that - the company had passed the large-scale test with the help of a fire-resisting board to reinforce the external cladding. They made no reference to this board in their marketing or the report of the test. It didn't emerge until the start of the inquiry in 2018 Image
The companies sales people then deliberately targetted Grenfell Tower - sold the material at discount of nearly 50% and requested to use it in marketing as a case study to get more high rise orders in Image
Saint Gobain continues to be a lobbyist over govt insulation policy, including through the sponsorship APPG. Lobbying was a part of their role before the fire, as Sky News revealed: Image
Anyway, this company is yet to see any accountability for the Grenfell fire, or to make any major contribution to the remediation of other buildings where its product is installed. I wonder why the govt was content to move on Rydon (a pretty small fish commercially) but not them

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More from @PeteApps

Jun 25, 2025
To those who have recently watched the Netflix documentary on Grenfell, here's a quick run down of issues which still haven't changed since the fire:
Dangerous cladding - while most of the tall buildings with the same material as Grenfell have had it removed, an estimated 10,000 others still have dangerous facades of other types, causing misery for residents A screenshot of text which says there are more than 5,000 identified buildings with dangerous cladding, and an estimate total of 10,000 which will cost £16.6bn to fix. It argues that the failure to distinguish between risk categories has made this difficult to address.
In opposition, Labour promised a major effort to address this - including a taskforce assigned to prioritise and fix buildings. In power, it has adopted a much more limited approach - the same strategy as the Conservatives followed with additional threats to building owners
Read 11 tweets
Jun 20, 2025
If anyone has watched the Netflix documentary on Grenfell and is looking for further reading, I've made all my posts on summarising the inquiry report free to read.

Links in the thread below:
‘Its failures had catastrophic consequences’

Architects Studio E

peteapps.substack.com/publish/post/1…
“Not only inadequate but positively dangerous”

Fire engineers Exova

peteapps.substack.com/p/not-only-ina…
Read 16 tweets
Jun 15, 2025
New: US bosses at cladding firm which sold material for use on Grenfell knew it was unsafe and knew it was being sold for use on the tower, newly released emails reveal

thetimes.com/uk/london/arti…Image
A cache of emails, which supported an attempt by bereaved and survivors to sue Arconic in the US, have been unsealed following a request by the team researching a Grenfell documentary, due to be released on Netflix this week
Arconic say they were among the docs provided to the Met police and inquiry - but they have never previously been in the public domain. Until now.
Read 13 tweets
Dec 2, 2024
Govt lays out plans to accelerate remediation of unsafe buildings:

- Target of 2029 for completion of all above 18m buildings
- All 11m-18m to have a plan by 2029
- Developers to double the pace of remediation of former blocks
- Fines for freeholders who 'sit on their hands'
The plan is apparently going to be backed by investment in enforcement, so that councils, fire authorities and the building safety regulator can step in where buildings aren't being fixed
There are 4,834 buildings around England which have been identified as having unsafe cladding, and an estimated 9,000 in total. So far 1,436 have completed - 30% of those identified and 15% of the probable overall number
Read 13 tweets
Sep 7, 2024
Ah christ, I can't even begin with this one, but I do feel the need to say that the paragraph below is demonstrably and very clearly total bullshit. The report quite firmly found the opposite
Image
The report does note that the Fire Safety Order was excluded from the red tape challenge in 2012, but *the building regulations relating to fire safety* were not. This is critically important, because that's where the failures were
Pickles made this argument under evidence (both exempt) and the report specifically rejects it, saying it "served only to reveal the limits of his understanding" Image
Read 7 tweets
Sep 6, 2024
*Sighs*

*Opens mental draw marked 'New Labour's responsibility for Grenfell'*

Begins thread...
In 1999, a fire at Garnock Court, Irving, Scotland ripped up plastic panels on the outside of a tower block. This came eight years after a similar fire in Knowsley, Merseyside and resulted in a Select Committee inquiry into the risk of cladding fires.
Said Select Committee took evidence and made numerous recommendations. These included:
- All cladding systems to be either non-combustible or justified by large-scale test
- Review of existing cladding systems and periodic risk assessment of them by social landlords
Read 18 tweets

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