During a remodel of this type of house it is wise to install fire blocking at the top and bottom of the stud walls.
Attic concrete chimney fire blocking old homes.
Block chimneys are really meant to be surrounded with bricks.
Most any problem you can imagine.
Attics may be painted white to cover over evidence of a fire in the attic or home.
They are more subject to cracking leaning and leaking.
Block chimneys in old houses.
Block chimneys do work but as a general statement they are less than desirable.
Since the space between the studs may vary each reinforcing fire block may need to be individually cut.
But imagine what happens if you do put a solid piece of wood at the bottom and top of the wall in between all of the wall studs in this house.
The bottom block stops the fire from getting into the wall cavity to begin with.
Fire blocking between studs.
You can think of it like we re filling the smoke chamber with concrete.
If a fire starts within the wall the top block stops the fire from getting into the attic.
On average seven people died in home fires every day between 2011 and 2015.
We then allow this concrete like material to harden and then remove the blocking from the fireplace damper.
Basically have your chimney lined as soon as possible.
We do this by blocking off the fireplace damper and pouring the cast in place lining material down the chimney.