In my last post I introduced a Certificate of Approval, issued in 2012 by Exova, trading as Warrington Certification, for a combustible FR grade ACM panel. According to the government’s post-Grenfell interpretation of Approved Document B2, 12.7, this certificate should not have been issued, since the panels fail to meet the limited combustibility requirement of that paragraph.
The certificate bore on every page the signature of Sir Ken Knight, who is Chair of the Grenfell Tower Expert Panel. This body claimed on 30 June 2017 that the Buildings Regulation guidance requires the ACM core to be of limited combustibility. The text of the Approved Document guidance on cladding has remained unchanged since 2007. It follows that the Expert Panel must be of the view that the certificate was issued in error.
Continue reading Grenfell Tower: Exova’s approval in 2012 of the use of combustible ACM for high rise cladding
Since 18 June 2017, just four days after the Grenfell Tower fire, the Government has been claiming that its Approved Document guidance does not permit the use of combustible ACM cladding on high rise buildings. On 27 June the Communities Secretary Sajid Javid appointed an ‘independent expert advisory panel’ to advise the government on what immediate safety measures needed to be taken to avert the risk of a further tragedy. Under its Terms of Reference, the regulations concerning fire safety and
the use of specific materials
were within the scope of the expert panel’s work:
The Chair of the panel, which appears still to be in operation, is Sir Ken Knight, former London Fire Commissioner and former Government Chief Fire and Rescue Adviser.
Continue reading Grenfell Tower: time to put an end to the charade