Grenfell cladding sub-contractor got 48% discount on combustible insulation
The construction company charged with installing the cladding and insulation on Grenfell Tower received a 47.5% discount for the Celotex insulation used on the block, it was revealed today.
As part of evidence presented at the Grenfell Inquiry today, an invoice for Harley Facades’ purchase of the Celotex RS5000 insulation used on the tower was shown to Daniel Anketell-Jones, design manager at the cladding contractor.
The invoice, which was issued by SIG, a supplier of insulation and specialist construction products, costed the full order of the Celotex RS5000 product as £45,804, with a discount of 47.50% included.
Celotex’s RS5000 product was launched in August 2014 and was marketed as being able to be used on buildings above 18m.
It was the first Celotex insulation product that had passed a test clearing its way for installation on buildings above 18m, but should only have been used in combination with non-combustible cement fibre cladding.
Inquiry chair Sir Martin Moore-Bick concluded in his phase one report that the Celotex RS5000 insulation “more likely than not” contributed to the spread of fire up Grenfell Tower on 14 June 2017.
When asked by counsel Kate Grange if he was aware that Harley had secured any discount for this form of insulation, Mr Anketell-Jones answered no. He was also unable tell the inquiry whether the discount had come from Celotex through SIG.
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Ms Grange asked whether the reason Harley promoted using the RS5000 product on Grenfell Tower was because “you would receive a very significant discount”.
He said: “I wasn’t aware of it. The only reasons that RS5000 would have been put forward on any project were that we being told it was appropriate to use [on buildings above] above 18m and was one of the few insulation products that was capable of achieving high performance requirements, and that would have been sent to architects and building control for approval.”
The inquiry was also shown a reply by Terry Ashton, senior fire engineer at consultancy firm Exova, to a formal request for information from Harley to know the extent of horizontal fire breaks required within the cladding areas.
The inquiry discussed these emails at length during Mr Ashton’s evidence, but Ms Grange grilled Mr Anketell-Jones on his understanding of a response for Mr Ashton regarding the ‘Class 0’ classification of the insulation.
This rating – despite being prominently advertised by Celotex – is irrelevant in regard to insulation on high rises which is required to meet the tougher standard of ‘limited combustibility’.
Mr Ashton did not spell this out but did warn that even if the insulation is Class 0, it is not necessarily non-combustible and that some Class 0 products will burn when exposed to a fully developed fire.
Mr Anketell-Jones said he did not understand the differences between the classifications and it did not cause him to reconsider using RS500 on Grenfell, because he was under the impression that the architect and fire engineer had already approved the Celotex product.
He also confirmed that he did not raise the potential combustibility of the insulation with anyone at Rydon or Studio E or Exova and did not take any steps after Mr Ashton’s email to check whether the insulation was compliant.
Mr Anketell-Jones added: “As far as I was concerned it had already been checked for compliance by people who understood it far better than me.”
The Grenfell Tower Inquiry continues.
Grenfell Tower Inquiry phase two: weekly diaries
Module one
Week one: A vivid picture of a broken industry
After a week of damning revelations at the opening of phase two of the Grenfell Tower Inquiry, Peter Apps recaps the key points
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Week two: What is the significance of the immunity application?
Sir Martin Moore-Bick has written to the attorney general requesting protection for those set to give evidence at the Grenfell Tower Inquiry. Peter Apps explains what the move means
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Week three: Architects of misfortune
This week saw the lead architects for the Grenfell Tower refurbishment give evidence to the inquiry. Peter Apps runs through the key points
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Week four: ‘I didn’t have any perception that it was the monster it’s become’
The architects continued to give evidence this week, outlining a lack of understanding of the fire risk posed by the cladding materials and its design. Nathaniel Barker reports
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Week five: ‘No adverse effect in relation to external fire spread’
As the Grenfell Tower Inquiry returns from its long absence, Peter Apps recaps the key points from a week of important evidence from the fire consultants to the refurbishment
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Week six: ‘I can’t recall any instance where I discussed the materials with building control’
Nathaniel Barker summarises what we learned from fire engineers Exova, architects Studio E and the early evidence from contractor Rydon
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Week seven: ‘I do not think I have ever worked with a contractor operating with this level of nonchalance’
Two key witnesses from contractor Rydon gave evidence this week. Peter Apps recaps some of the key points from a revealing week of evidence
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Week eight: ‘It haunts me that it wasn't challenged’
Four witnesses from contractor Rydon gave evidence this week. Lucie Heath recaps what we learned on the last week of evidence before the inquiry breaks for five weeks
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Week nine: ‘All I can say is you will be taken out for a very nice meal very soon’
This week the inquiry heard evidence from witnesses at Harley Facades, the sub-contractor responsible for Grenfell Tower’s cladding. Peter Apps recaps the key points
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Week 10: ‘As we all know, ACM will be gone rather quickly in a fire!’
As the Grenfell Tower Inquiry entered its 10th week, Jack Simpson recaps the key points from a week of important evidence from the refurbishment’s cladding contractor
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Week 11: ‘Did you get the impression Grenfell Tower was a guinea pig for this insulation?’
With witnesses from the cladding subcontractor, the firm which cut the deadly panels to shape and the clerk of works which inspected the job giving evidence this was week full of revelations. Peter Apps recaps the key points
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Week 12: ‘Would you accept that was a serious failing on your part?’
With the surveyor who inspected Grenfell Tower for compliance giving evidence, this was a crucial week from the inquiry. Dominic Brady and Peter Apps report
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Week 13: ‘Value for money is to be regarded as the key driver for this project’
With consultants to Kensington & Chelsea Tenant Management Organisation (KCTMO) giving evidence, attention at the Grenfell Tower Inquiry turned for this first time to the actions of the TMO and the council. Peter Apps reports
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Week 14: ‘Did it not occur to you at this point that your budget was simply too low?’
This week, for the first time in phase two, the inquiry heard from Kensington & Chelsea Tenant Management Organisation, the landlord that oversaw the fatal refurbishment of Grenfell Tower. Lucie Heath reports
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Week 15: ‘Have you ever informed the police that you destroyed documents relevant to their investigation?’
Witnesses from the Kensington and Chelsea Tenant Management Organisation (KCTMO) gave evidence for a second week, which began with a shocking revelation about withheld and destroyed evidence. Peter Apps recaps
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Week 16: ‘I conclude this was very serious evidence of professional negligence’
This week saw members of Kensington & Chelsea Tenant Management Organisation finish giving evidence, before the inquiry’s expert witnesses took the stand to make some highly critical assessments of the work they had seen before and during the refurbishment of Grenfell Tower. Jack Simpson recaps
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Grenfell Tower: a timeline of the refurbishment
Following the conclusion of module one of the Grenfell Inquiry’s second phase, Peter Apps presents a timeline of the key moments during the fatal refurbishment of the west London tower block
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Module two
Week 17: ‘It’s hard to make a note about this because we are not clean’
The start of the second module of the Grenfell Tower Inquiry phase two came with some huge revelations about the companies that sold the products used in the cladding system. Peter Apps reports
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Week 18: ‘It was just reckless optimism wasn't it?’
As the inquiry began cross-examining witnesses for the second module of its phase two work, the picture surrounding just how Grenfell Tower ended up wrapped in such dangerous materials became a little clearer. Nathaniel Barker was keeping an eye on proceedings
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Week 19: ‘And that was intentional, deliberate, dishonest?’
The Grenfell Tower Inquiry this week heard the shocking story of how the insulation manufacturer “manipulated” official testing and marketed its product “dishonestly”. Peter Apps tells the story
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Week 20: ‘We were outed by a consultant who we then had to fabricate a story to’
This week the inquiry investigated the actions of Kingspan – the manufacturer of one of the insulation products used in the tower’s cladding system. Dominic Brady reports
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Week 21: ‘It’s there in black and white isn't it? We see a complete absence of any consideration of life safety’
The story of insulation giant Kingspan’s testing and marketing of its combustible insulation for high rises was unpacked in minute detail this week. Peter Apps reports
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Week 22: ‘All we do is lie in here’
In the third week of evidence from insulation giant Kingspan, the inquiry continued to uncover shocking details about the firm’s behaviour both before and after the Grenfell Tower fire. Lucie Heath reports
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Week 23: ‘That would have come as an earthquake to you at the time, would it not?’
This week the inquiry took its deepest dive yet into the inner workings of the cladding manufacturer whose product has been blamed for the terrible spread of fire up Grenfell Tower. Nathaniel Barker reports
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Week 24: ‘Do you accept that Test 5B was Arconic's deadly secret’
The president of the firm that made and sold the cladding panels installed on Grenfell Tower was asked to account for the apparent concealment of “disastrous” fire tests on the product this week. Peter Apps reports
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Week 25: ‘This is quite an incredible list of omissions and missed instances, isn’t it?’
This week the Grenfell Tower Inquiry heard its first witnesses from the Building Research Establishment (BRE) - the testing house which carried out key fire tests on the Kingspan and Celotex insulation products which were later used on Grenfell Tower. Peter Apps reports.
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Week 26: 'You were taking an enormous risk, weren't you?'
Week 26 at the Grenfell Tower Inquiry was a key moment in understanding how dangerous products used on the tower came to be accepted by industry professionals. Dominic Brady reports
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Week 27: ‘What will happen if one building made out [of] PE core is in fire and will kill 60 to 70 persons?’
The most explosive evidence this week at the Grenfell Tower Inquiry came from those who did not attend, as the evidence which would have been presented to Arconic witnesses was displayed in their absence. Peter Apps reports
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Week 28: ‘This is a serious safety matter’
This week the Grenfell Tower Inquiry zeroed in on the British Board of Agrément, the body that produced “misleading” certificates which inspired trust in both the cladding and insulation used on the tower. Lucie Heath reports
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Week 29: ‘Is it true that Kingspan’s position… was to do its best to ensure that science was secretly perverted for financial gain?’
The final week in this section of the Grenfell Tower Inquiry primarily examined the attempts by insulation manufacturer Kingspan to lobby government after the fire. Peter Apps reports
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How the products used in Grenfell Tower's cladding system were tested and sold
As the section of the Grenfell Tower Inquiry examining how the products used in the cladding system were tested, marketed and sold comes to a close, Peter Apps summarises what we have learned about each of the products included in the system.
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Module Three
Week 30: ‘There is certainly a high probability that in the event of a fire the whole building can become an inferno’
The focus of the inquiry shifted this week to the actions of the social housing providers responsible for maintaining Grenfell Tower. Pete Apps recaps what we learned.
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Week 31: ‘If we cannot get out people will die’
This week saw the former residents of Grenfell Tower enter the witness box to tell of their experiences attempting to raise complaints with the council and its managing agent. Pete Apps reports.
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