fire-stop

fire-stop

Obstructions placed in open areas above a ceiling in order to stop a fire that could otherwise easily spread to all parts of a building.

References in periodicals archive ?
This acted as an impenetrable fire-stop and avoided serious disruption to production at minimum cost.
So it is clear, that without the installation of the mineral wool fire-stops, there was a very good chance that the panel cores would have caught fire--with a strong possibility of the loss of the entire factory.
Speaking with Construction Week , Musa said that, while the stringent standards to which Dubai's fire-stop suppliers must adhere may entail extra work for those companies, they are helping to create one of the safest built environments on the planet.
A cable pass-through port with a fire-stop foam seal is included.