ACM-PE Cladding
Definition
Aluminium composite material with a polyethylene core (Reynobond PE). The combustible cladding type responsible for external fire spread at Grenfell Tower. Now prohibited on residential buildings over 18 metres in England and Wales under the Building (Amendment) Regulations 2018.
Related terms
- Arc-Flash Bead Metallurgy
- Forensic metallurgical analysis of conductor wire segments to distinguish between arc-flash ignition (producing globular fusion beads) and mechanical fracture followed by fire...
- BS 8414-1
- British Standard for external wall systems: fire performance test for facade assemblies. The large-scale test that ACM-PE cladding, as installed at Grenfell...
- Char Depth
- The depth of carbonisation in timber or wood products, used in post-fire investigation to estimate fire duration and intensity at a point....
- Fire Dynamics Simulator (FDS)
- Computational fluid dynamics software developed by NIST that models fire-driven fluid flow and heat transfer. Used in landmark investigations including Station Nightclub...
- Flashover
- The near-simultaneous ignition of all exposed combustible surfaces in a compartment, occurring when the upper gas layer reaches approximately 600°C and radiative...
- Heat Release Rate (HRR)
- The rate at which a burning material releases energy, measured in kilowatts (kW) or megawatts (MW). Measured by cone calorimetry for material...
- Negative Corpus
- The discredited practice of concluding incendiary fire cause by eliminating all identifiable accidental causes without positive physical evidence of intentional fire-setting. NFPA...
- NFPA 921
- US National Fire Protection Association Guide for Fire and Explosion Investigations. The internationally accepted methodology Indian fire investigators and SFSL fire divisions...
- No-Objection Certificate (NOC)
- The fire-safety clearance issued by Indian municipal fire brigades as a prerequisite for operating certain categories of public premises. Absence of a...
Explained in
- Major Arson Casework: Station Nightclub, Grenfell, Uphaar, Kamala MillsAluminium composite material with a polyethylene core (Reynobond PE). The combustible cladding type responsible for external fire spread at Grenfell Tower. Now...