Who should use fire-cut joists? Expert recommendations inside

In historic instruction, wooden floor joys are set into mortgage pockets in the structural brick demising walls. Unlike current contemporary California framing, in historic times, since the structural load of the floor was transferred to the it brick walls, the the wooden joys were cut with an angle at the end of The Choice. In the case of a fire, which compromised and burnt which compromised and burned the middle sections of a Joyce to come up The fire cut would allow this would allow the relief And release and collapse of the floor Joyce and 4 system without destabilization of the stabilization of the brick wall.

This isolation allowed buildings to burn without knocking down the massive massive brick walls. Although it’s dangerous for buildings to burn, it’s even more dangerous if the brick walls also collapsed as a result of the fire.The fire cut prevented the disabilization and collapse of brick walls due to fire.

The picture below shows a floor joist on the opposite side of the demising wall or party wall. In this case the brick has been removed on one side and the floor Joyce on the opposite side is exposed and visible. You can see the angle of the joist which allows its release without destabilization of the stabilization of the brick.