Question to the Department for Levelling Up, Housing & Communities:

To ask the Secretary of State for Communities and Local Government, pursuant to the Answer of 21 September 2017 to Question 9597, what core materials were found within the 554 samples of aluminium composite material cladding that were tested.

The latest complete information on the testing of Aluminium Composite Material cladding samples is contained in the summary advice published on 5 September (available here: https://www.gov.uk/government/publications/building-safety-programme-update-and-consolidated-advice-for-building-owners-following-large-scale-testing), which sets out the results of screening tests and the seven large-scale system tests conducted over the summer. It includes the numbers of buildings tested, broken down by filler material and type of insulation used.

The detailed test results from each of the seven large-scale system tests conducted at the Building Research Establishment are available on the Building Safety Programme webpage at: https://www.gov.uk/guidance/building-safety-programme