That depends on the thickness of the wall and of the chimney structure. Need more info to answer this question.
Basically, it is to ensure that each layer of laid brick is uniform, and consists of the depth of a brick and a layer of mortar.
Increases with depth
The deepest scientist have been able to study earths interior depth is 12,262 meters
Depends on its size obviously. You multiply his hight with his length and depth
The density increases
Temperature
form_title= Brick Wallpaper form_header= Add depth to your home with brick wallpaper. Where are you installing the wallpaper?*= _ [50] How much wallpaper do you need?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No
It is: 400/20*5 = 4 cm
highest near equator
4cm in width
The density increases
Depth, temperature and pressure barrier.