Which International Building Code (IBC) updates do I need to be aware of?>
Which fire-rated glass codes apply to my project?>
What common code mistakes should be avoided?>
How do I read a fire-rated glass label?>
Where can fire-protective materials be used in building design?>
In Chapter Two of the 2024 edition of the International Building Code (IBC), a corridor is defined as an enclosed exit access component that defines and provides a path of egress travel.
When a corridor serves as an exit access component of a means of egress system, Table 1020.2 Corridor Fire-Resistance Rating details the fire-resistance rating requirements according to occupancy type, load served and the presence or absence of an automatic sprinkler system.
If a corridor wall must be fire-resistant (meaning it defends against the spread of flames, smoke and heat), fire-rated glazing would be necessary for all windows, full-lite doors, sidelites, transoms and vision panels. These systems maintain compartmentation during a fire and safeguard means of egress to keep occupants safe.
However, corridor glazing requirements do not always need to achieve the same ratings as the structural components. For instance, fire-protective glazing meets the baseline requirements for most corridor opening protective applications.
Fire-protection-rated glass defends against fire and smoke and can meet the following test standards:
On its IBC label, fire-protective glazing can be marked with:
Unlike fire-resistant-rated glass, this type of glazing is often subject to size limitations. When considering the use of fire-protective glazing, designers and specifiers are encouraged to confirm requirements with the local building code and to contact the Authority Having Jurisdiction (AHJ) to clarify any ambiguities.
Because fire-resistant-rated glazing is commonly treated the same as an opaque wall material, its use is relatively straightforward. But appropriately specifying fire-protection-rated glazing depends on the specifics of the application.
According to Table 716.1(2) Opening Fire Protection Assemblies, Ratings and Markings in the 2024 IBC, corridor walls classified as fire partitions can use fire-protection-rated glazing in vision panels, sidelites and transoms. Below is a breakdown of corridor glazing requirements:
Designers who collaborate early with trusted manufacturers can streamline the specification process. Contact Technical Glass Products to discover transparent solutions for corridor glazing applications.
