The Grenfell Inquiry revealed systematic fraud in fire testing of construction products. Manufacturers rigged tests, hid failures, and put millions of lives at risk. Here's what happened and what's changing.. The Lies That Killed 72 People The Grenfell Tower Inquiry Phase 2 Report made devastating findings about three companies whose products were used on Grenfell Tower's cladding system: Arconic (aluminium composite panels) Knew their Reynobond PE panels had failed fire tests Deliberately marketed the product for high rise use despite knowing the fire risk Internal emails showed staff discussing how to avoid sharing test results with customers The panels were the primary fuel source for the rapid fire spread at Grenfell Celotex (PIR insulation) Rigged a BS 8414 fire test by adding non standard fire barriers that wouldn't be present in real installations Used the manipulated test result to market their RS5000 insulation for use on buildings over 18m Internal documents revealed knowledge that the product was unsafe for this application Kingspan (phenolic insulation) Used a 1995 test result for a discontinued product to support sales of a completely different product Described their own customers' attitude to safety as having 'the f ing cheek' Continued marketing products for high rise use despite internal knowledge of fire risks The Systemic Failures Testing Bodies BRE (Building Research Establishment) — failed to challenge manufacturers' test configurations Limited resources for market surveillance No obligation to share test results with regulators Testing to manufacturer specification, not real world application Certification Bodies Certificates issued based on limited testing No systematic verification of marketing claims against test evidence Certificates not withdrawn when products changed Lack of independence from the manufacturers they certified The Regulatory Gap No mandatory product registration or testing No market surveillance for construction product fire performance No criminal penalties specific to false fire performance claims CE/UKCA marking based on manufacturer self declaration for many products What's Changing New Construction Products Regulator The government has committed to establishing a new regulator with powers to: Commission independent testing of products on the market Remove unsafe products from sale Prosecute manufacturers making false performance claims Maintain a public register of tested products and their fire performance Issue safety alerts when problems are identified Enhanced Testing Standards Mandatory third party testing for all safety critical products Real world application testing — products tested as they'll actually be used Ongoing compliance testing — not just at initial certification Digital test certificates — tamper proof and publicly accessible What Building Owners Must Do Now 1. Audit your building's products — what's on/in your walls, floors, and roof? 2. Verify test certificates — are they current, relevant, and applicable to your installation? 3. Check for product recalls — sign up for OPSS product safety alerts 4. Maintain records — golden thread requirements include product information 5. Report concerns — if you suspect a product isn't performing as claimed, report to Trading Standards Magnus Opifex provides independent fire safety assessment of construction products. Contact us.