Product passed official safety tests before being marketed
Celotex RS5000 insulation, made from polyisocyanurate (PIR), was used on Grenfell as part of the cladding and insulation system on the outside of the building.
Celotex has said this product passed official safety tests before being marketed for use on high rises in 2014.
But in a statement posted online yesterday the insulation company said there were “differences between the system as tested… and the description of that system in the report of the test”.
