The education secretary was left squirming as she was shown the clip on Sky News.
The education secretary was caught saying others have been "sat on their arse" as the crisis has unfolded.
The prime minister is under pressure to "come clean" and publish the full list.
The dated form of concrete has delayed some pupils' return for the new school year.
The education secretary's morning media round didn't exactly go smoothly on Monday.
Schools around England remain closed today over buildings' safety concerns.
Top civil servant says the then chancellor was warned that hundreds of schools needed urgent repairs.
Gillian Keegan has been criticised for dodging media interviews on the growing crisis.
It echoes controversial tweets from earlier this year which said the prime minister did not want sex offenders to be jailed.
"You musn't like your nieces and nephews very much," Nick Gibb was told.