Is there a fire doors crisis?

In March, it was revealed that an undamaged fire door taken from Grenfell Tower was able to resist flames and smoke for just 15 minutes - half the time required by building regulations. Over the past six months, more issues have been emerging within the fire door industry. With the help of Lucy Grove, Grenfell programme lead at the National Housing Federation, The Housing Podcast asks: is there a fire doors crisis?