Former product manager Jonathan Roper agreed that it was “dishonest”
to attempt to conceal the presence of magnesium oxide board used in a fire test
of the RS5000 product, which was marketed as being suitable for use in
buildings above 18m.
RS5000 initially failed a BS 8414 test (fire performance of
external cladding) carried out in February 2014 and in order to ensure that it
passed a second test in May that year, Celotex change the build-up of the system
tested. The successful test used a system that at certain levels (adjacent to
the Lamatherm fire barrier and at the top of the rig) used an 8mm Marley
Eternit cladding panel, immediately behind which was a 6mm magnesium oxide
board. 12mm Marley Eternit cladding panels were used on the remainder of the
rig.
Lead counsel to the Inquiry Richard Millett QC asked Roper
if the use of the thinner 8mm layer of cladding panel was “so as to conceal the
6mm magnesium oxide board to anybody either looking at the rig or a photograph
of the rig in a later report”.
Roper replied: “It was to prevent any stepping out of the
rig.”
Millett said: “Yes, and therefore to see off any prospect of
anybody asking questions about why there was a step-out, as you put it?”
Roper replied: “Correct.”
Millett asked Roper if the action struck him as “dishonest”.
Roper agreed that it did. Millett asked: “But you went along with it?”
Roper said: “I went along with a lot of actions at Celotex
that, looking back on reflection, were completely unethical, and one that I
probably didn’t potentially consider the impact of at the time. I was, as we’ve
said, I was 22, 23, first job. I thought this was standard practice, albeit it
did sit very uncomfortably with me.”
Roper confirmed that the reason for using magnesium oxide at
the fire barriers was that one of the criteria for classification to BR 135 (Fire
performance of external thermal insulation for walls of multistorey buildings) is
that the temperature at the level 2 thermocouples should not exceed 600C.
He said: “I was fully aware at that stage that the rig was
being overengineered to achieve a pass.”
Altered presentation slides
Millett also questioned Roper about a Celotex management
action group (MAG) meeting in May 2014, the purpose of which was to brief former
managing director Craig Chambers about the May test. Roper prepared slides for
colleague Paul Evans to present but did not attend the meeting.
Roper’s slides detailed the two tests of RS5000 and the build-up of each system, noting that the first test failed but the second, which used 6mm of magnesium oxide at the thermocouples and thicker, 12mm Marley Eternit cladding elsewhere, passed.
Roper sent Evans the slides and, in his witness statement issued
prior to the hearing, claimed that following the board meeting presentation he
was asked by Evans to create another version of the presentation which did not
refer to the February test or to the 6mm magnesium oxide. Evans told him this shorted
version was for “general business use”, Roper claimed.
Millett asked: “Can we then take it that it’s your evidence,
as far as you recall it, that everybody at that MAG meeting was aware of the differences
between the build-up of the failed February 2014 test and the build-up of the
successful May 2014 test?
Roper replied: “Yes.”
Millett asked Roper if it was his impression that “the
decision to use a shorter slideshow without the 6mm magnesium oxide was an MAG
decision which had been communicated to him which he [Evans] was then
communicating to you, or whether it was simply his decision as a result of what
he picked up at the MAG meeting”.
Roper said: “I think it was the first of those.”
The shortened version of the slides subsequently contained no
mention of the magnesium oxide board and no mention of the 8mm Marley Eternit
cladding either.
Asked if the omissions were designed to mislead the reader
into thinking the build-up listed was the actual build-up tested, Roper replied:
“Correct, yes.”
Millett said: “In fact, you knew at the time, surely, that
this slide was downright misleading?”
Roper said: “Yes, I did.”
Millett added: “And intended to mislead?”
Roper replied: “Yes.”
Millett asked: “Did you realise at the time that if this was
how the test was to be described to the market, it would be a fraud on the
market?”
Roper said: “Yes, yeah, I did.”
Millett said: “Did you not feel at the time a sense that
that was wrong?”
Roper said: “I felt incredibly uncomfortable with it. I recall
going home that evening. and I still lived with my parents at that time and mentioned
that to them, and I felt incredibly uncomfortable with what I was being asked
to do.”
He added that he did not feel there was anyone within
Celotex who he could go to with his concerns.
Celotex opening statement
In an opening statement to module two of phase two of the
Inquiry, Craig Orr QC, representing Celotex, said that following the Grenfell
Tower disaster, Celotex suspended the sale of RS5000 and under managing
director Dean O’Sullivan, who was appointed in May 2016, the company discovered
“certain matters” relating to the testing, certification and marketing of
Celotex’s products that the current management was unaware of.
“Once established, these matters were promptly announced by
notices on Celotex’s website and reported to the relevant authorities,
including testing and certification bodies, the Ministry of Housing, Communities
and Local Government, Trading Standards and the Metropolitan Police. In
addition, Celotex made a full report of these matters to the Inquiry,” Orr
said.
He went on: “It conducted extensive due diligence in
relation to the testing of its products, and it commissioned additional fire
safety testing of both its 4000 and 5000 ranges of insulation. That testing
confirmed that those products achieved the classifications that they were
stated to have at the time of the Grenfell Tower refurbishment.
“Celotex recognises that the matters which emerged during
its investigations involved inappropriate and unacceptable conduct on the part
of a number of employees. This was of real concern to Celotex’s current
management. Some of the employees involved had already left the company. Those
who remained were the subject of disciplinary proceedings. Six employees
resigned between December 2017 and March 2018.”
The Inquiry continues.