Integrity is one of the readings that the fire-resistant components of the building or structure have. This reading highlights the time that the component can withstand and prevent fire as well as smoke from breaching the building's compartmentation. The letter denoting the integrity feature is “E”. Integrity (E) refers to the ability of a component or construction to maintain the integrity of the element on one side only, without allowing flames to penetrate and spread to the non-heated side.
