3 2 5 c floor over a basement any floor immediately over a basement storey if such storey i forms part of a building or compartment of purpose groups vi and viii.
Floor ledge fire stop.
Firestop sleeves pathways.
Several tragic building fires with multiple fatalities highlighted the need to protect openings around penetrations and to limit the migra tion of fire and smoke within concealed spaces.
A penetrating item such as a sprinkler pipe.
Almost all international building codes now recognize how critical perimeter fire barriers are to the overall building safety plan.
And the firestop material.
Or improperly protected penetrations through floors and walls and also to fire migration within walls and floor assemblies during the 1960s and 1970s.
Designed for buildings in which airflow control and cost effective maintenance is key such as hospitals and data.
This endless array of cables bundles trays conduits plastic and metal pipes need larger wall and floor penetrations than ever which presents new challenges for fire compartmentation.
You can rely on hilti firestop to deliver workable smoke and fire resistant sealants around these larger penetrations.
Take a 100 x 100 ft.
Explore our easy to install and inspect pre formed firestop solutions for pipe penetrations through fire rated floors.
Compartment walls and floors shall be constructed of non combustible materials to have minimum 1 hour fire resistance rating under table 3 3a for any of the compartment.
A fire rated assembly be it a wall or a floor.
A through penetration firestop system comprises three elements.
Building with the usual 3 void.
Pre formed and easy to inspect firestop sleeves for cable penetrations.
Top of wall firestopping fills these gaps with a fireproof compound to stop the spread of fire and smoke.
At the top of a wall assembly and floor assembly a small gap is created that can allow fire and smoke to travel between rooms and floors.