On 23/06/2017 14:51, Dave Plowman (News) wrote:
In article ,
charles wrote:
In article ,
Martin Brown wrote:
On 22/06/2017 22:31, Mike Tomlinson wrote:
En el artÃ*culo , Martin Brown '''newspam''
escribió:
Raynobond PE has after all on paper got a UK "Class 0" fire rating.
I wonder if that's like "RAID 0" in computing, where RAID0 confers no
redundancy or protection against failure at all, in fact quite the
opposite 
I guess so in the sense that it isn't actually against the law to use it
but it offers no protection whatsoever.
I don't see why they are so surprised that contractors will use the
cheapest nastiest product they think they can legally get away with. It
will be very interesting to see if they can make any prosecutions stick.
(I somehow doubt it)
The one thing it might be possible to have them for are the vertical
triangular chimneys that appeared to have been made on the fins of the
building (but only if inspection of the remaining parts can demonstrate
that they had no fire stops in them). The outer cladding was so very
flammable that no realistic fire stop could have stopped it spreading.
Police have just announced they intend to try for manslaughter charges
after both the cladding and the insulation allegedly failed fire tests
with the insulation being the more flammable if the Grauniad is to be
believed. BBC breaking news hasn't caught up yet.
oh yes they have. Second line of lead story on the BBCNews page
Interesting bit on the R4 1300 news is that the insulation is now being
blamed too. Not just that it wasn't protected by the cladding. And was
named on the BBC much earlier as being Celotex. It that available in
different degrees of fire resistance too?
Yes. Although the Celotex used on Grenfell apparently wasn't FR grade.
I'm surprised that basic Celotex fire tested as badly as they claim.
Hope 'they' don't think it is a generic term for insulation - could cost
them a great deal of money if Celotex sue.
Celotex agree that they sold their Celotex insulation slab type RS5000
for Grenfell (about the cheapest they do) - see their website:
https://www.celotex.co.uk/#
Had it been FR5000 the outcome might possibly have been different but we
will have to wait for someone to make a mock up and test it.
--
Regards,
Martin Brown