X |
is the maximum width of the opening for the firebox
|
 |
XX |
is the overall width of the fireplace at the widest point, usually the mantel
|
| Y |
is the maximum height of the opening for the firebox
|
 |
YY |
is the overall height of the fireplace from stone to stone
|
| Z |
is the maximum depth of stone, usually at the mantel
|
 |
ZZ |
is the depth of the stone at the foot of the fireplace
|