A former product manager at the makers of a flammable insulation installed on Grenfell Tower said it “didn’t occur” to her to compare her knowledge of the product’s flawed test report with how the insulation had been marketed, the inquiry has heard.

Debbie Berger, who was appointed product manager at Celotex in October 2014, told Thursday’s hearing that details of the rigged test report for the firm’s combustible RS5000 insulation “receded from my mind. It really didn’t imprint” itself”.

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