Floor Ledge Fire Stop

Explore our easy to install and inspect pre formed firestop solutions for pipe penetrations through fire rated floors.
Floor ledge fire stop. Building with the usual 3 void. And the firestop material. 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. 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.
Designed for buildings in which airflow control and cost effective maintenance is key such as hospitals and data. That s a tiny footprint but it adds up to 100 ft2 of open space for gas smoke and flames to rise from floor to floor. Almost all international building codes now recognize how critical perimeter fire barriers are to the overall building safety plan. Or improperly protected penetrations through floors and walls and also to fire migration within walls and floor assemblies during the 1960s and 1970s.
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. 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. Take a 100 x 100 ft. Joint firestopping protects the joint between wall and floor assemblies.
A fire rated assembly be it a wall or a floor. Firestop sleeves pathways. Pre formed and easy to inspect firestop sleeves for cable penetrations. These systems are tested per astm e814 fire tests of penetration firestop systems 1which determines the performance of a firestop system with respect to.
Top of wall firestopping fills these gaps with a fireproof compound to stop the spread of fire and smoke. A penetrating item such as a sprinkler pipe.