firestop
[ fahyuh r-stop ]
/ ˈfaɪərˌstɒp /
noun
any object built into a building frame to block a concealed hollow space through which a fire might pass from one part of the building to another.
Words nearby firestop
firesafe,
fireside,
fireside chat,
fireside chats,
firestone,
firestop,
firestorm,
firethorn,
firetrap,
firewall,
firewarden