This is a very common question amongst designers and specifiers. Essentially, integrity refers to the ability to prevent the passage of fire, including flames and flammable gases. Integrity is recognised by using the letter ‘E’.
With insulation, like integrity, this prevents the passage of fire including flames and flammable gases, however it also protects against heat. Insulation is recognised by using the letter ’I’.
Within our Fire Screen range, this explains why our Defence EI systems achieve a fire rating from 30-120 minutes, whilst our Defence E systems achieve a fire rating from 30-60 minutes. You can read more about our fire rated system offering here.