Where is firestopping required? Through Penetrations: Breaches in both sides of a floor, floor-ceiling or wall assembly to accommodate an item passing through the breaches.

Where are fire blocks required?

Fireblocks are required between floors, between a top story and a roof or attic space, in furred spaces or the cavities between studs in wall assemblies, at connections between horizontal and vertical spaces created in floor joists or trusses, soffits, drop or cove ceilings, combustible exterior wall finishes and ...

Where is Firestopping used and what is its purpose?

Firestopping is a fire protection system made of various components, and it is utilized in the sealing of joints and openings in fire-resistant rated walls or floor assemblies. The practice of sealing these joints, can be used anywhere that a roof meets a wall structure.