Floor Ledge Fire Stop

A fire rated assembly be it a wall or a floor.
Floor ledge fire stop. Pre formed and easy to inspect firestop sleeves for cable penetrations. Explore our easy to install and inspect pre formed firestop solutions for pipe penetrations through fire rated floors. 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. You can rely on hilti firestop to deliver workable smoke and fire resistant sealants around these larger penetrations.
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. And the firestop material. Almost all international building codes now recognize how critical perimeter fire barriers are to the overall building safety plan. Firestop sleeves pathways.
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. 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. A through penetration firestop system comprises three elements.
A penetrating item such as a sprinkler pipe. 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. These systems are tested per astm e814 fire tests of penetration firestop systems 1which determines the performance of a firestop system with respect to. 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.
Top of wall firestopping fills these gaps with a fireproof compound to stop the spread of fire and smoke. Building with the usual 3 void.