For example if the pipe s diameter is 8 inches then the clearance should be 24 inches.
Installing wood stove pipe through concrete wall.
Take that number and multiply by 3 and use that to determine the stove pipe s clearance from the wall.
Last fasten each section of stovepipe with self tapping screws.
Make a 3 inch thick wall made of bricks against any combustible wall to which you want to pass the stove pipe.
Step 3 make a wall.
Then connect it to the wall thimble.
Installation of the stove pipe is the same as for vertical installation.
Insert the horizontal section of pipe through the walls so the inner end is about three inches from the face of the inside wall.
Apply construction adhesive on the inner face of the inside collar.
Start with the rigid sections and work from the stove to the wall.
Step 4 install the stove pipe.
Install your stove pipe.
A true concrete hammer drill like a bosch sds type will drill through it like swiss cheese.
Have 12 inches of space between the combustible and brick walls.
Builders use many techniques to run pipe through concrete block walls but the easiest and most efficient way is to use a core drill.